You can only use the hose that came with your Cabinet Heater. Also the plastic fuel cap will swell and you will have a really hard time removing it, and then you will never get it back on! 4.Place heater on wheel support and line up holes on the fuel tank lip. for each 100,000 BTU/Hr of heater output. I have a JD ac 215 for about 2 years very hard to start says E1 tried it yesterday could not get it to start ,took hood off and fan has hard spots turned it by hand (it was unpluged) when turned back on it did finaly started .Today the same thing has not had over 5 gal of kero since new.could it be air pump rotor clearance. The serial number is found on the side of the cabinet heater on the white label, below the model number. Thanks! If it is drawing air, fuel delivery may be inconsistent. If you need heater info; such as an operating manual, labels, etcetera. Reinstall the end pump cover and (6) screws so that they are only hand tightened. First, if you have turned on the propane tank too fast, the excess flow check valve in the regulator will stop the flow of gas. 305 0 obj <>stream 0000020734 00000 n It is also located on the outside of the heaters carton by the UPC. Typical diesel (also known as #2 diesel or #2 fuel oil) will cloud from 20F (-7C) to as high as 40F (4C). Inspect the Fuse on the PCB and, if defective, replace with a new one. Tip: Use a power screwdriver and locking wrench for easier assembly. 0000001817 00000 n 2. Hi Ben, we wouldnt be of much help on that model. Disconnect the igniter wires from the control board and check for voltage on the control board. h22P0P02T01S027P04Tw/+Q04L)( XTb;;jjssjC0i C$*+$92 Heater shows 0/1 red light on fuel gauge but has 1/2 tank of fuel no response after supplying power. If no spark is present at the spark plug, there is an insufficient ground. When replacing the air pump rotor, you must set the proper gap at the top of the carbon rotor. If the proper air pressure is registering on the pressure gauge (see heater decal for proper pressure) and the heater sprays fuel, but you still cannot light up your KFA Portable Heater, there may be an issue with one of the following components: 2. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It utilizes Master's tried and true torpedo heater design, honed over the last 6 decades, and also comes equipped with the most modern safety features. 0000004523 00000 n Item: AH3KPA. Do not use a power drive to tighten the (6) screws holding the rotor in. This is normal. Comparison shop for MASTER MH-80T-KFA Kerosene Forced Air Heater, 75,000 BtuH, Kerosene/Diesel, 240 and choose from Shopzilla's selection of top-rated stores. Be sure all screws are snug and tight. Liquid propane is always trying to become a gas and escape the tank. ); well just by another heater. Master MH-75T-KFA 7500 BTU salamander heater. Turn off power to the fan and allow blades to come to a complete stop before repositioning the fan. I can take the cover off start and then screw the cover on, and it will run all day with no issues. Next would be to re-gap the rotor at .003 on top dead center. We do sell a 375,000 BTU propane forced air heater and a 150,000 BTU natural gas forced air heater, both with built- in thermostats. Be sure that fuel bowel is full and not allowing any air into the fuel system. Also check the fuel line for cracks to make sure its not drawing air. Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates. Pro Temp PT-175T-KFA Kerosene Forced Air Heater Parts Popular Parts Filter Kit Add to Cart Drain Valve Add to Cart $2.99 Air Pressure Gauge $19.15 Search within model Questions & Answers Page A Hotspots Fig # 1 Fuel Tank Assembly Obsolete - Not Available Part Number:70-002-0300 Discontinued 2 Drain Valve Part Number:70-002-0105 13:00 Close . Look for this icon throughout the manual for helpful tips on how to assemble, use and clean your KFA Heater. If the heater does not restart but the fan is running when it was plugged back in, it will have to complete the Cool-Down Cycle before restarting. Ft.) 1875 Phase Single Overall Depth 30 Overall Width 13 Overall Height 15 Voltage 120 Frequency 60 Fuel Capacity 5 Gal. Reviewed in the United States on October 21, 2015, Tractor Supply has this heater for 199.00. model # mh-45-kfa mh-75t-kfa mh-135t-kfa mh-190t-kfa mh-215t-kfa 5dwlqj %wx +u45,000 75,000 190,000 215,000)xho &rqvxpswlrq *do +u .56 1.00 1.42 )xho 7dqn &dsdflw\ *doorqv5.0 5.0 10.0 3xps 3uhvvxuh svl 4.25.5 8.59.0 9rowv $& +] 9$& +] 9$& +] 9$& +] 9$& +] 9$& +] amps 1.4 1.5 2.7 2.8 Please contact our Product Support Team at 800-553-9053 if youd like us to walk you through it. Shows E-4 on error code. Hello, 0000018489 00000 n NEVER refill the heaters fuel tank while the heater is operating or still hot. Refer to Ventilation on page 5. 0000004657 00000 n I have a readyheater pro 155.has been completely serviced,filters air fuel,spark plug new and gapped,air psi set to 5.2 psi,checked for air leaks,new hoese air fuel,tested ign ok, new nozzel.will not fire hot (60 deg),fires cold fine(30 deg).will fire with torch held near spark plug and run fine.any ideas? (See Figure 5). (It boils at 44F, unless it is under pressure). It is against Federal Regulations to use an LP tank indoors. Only persons who can read and understand these instructions should use or service this heater. No, this heater is not designed nor approved to run on bio-diesel or farm diesel (with the red dye). 0000037316 00000 n The PT-60V-GFA, PT-125V-GFA, and PT-150V-GFA all contain what is called continuous electronic ignition, so this is perfectly normal. Hi, I have a brand new Heatstar 210. If you are trying to light your KFA Portable Heater and you notice little or no air pressure registering on the pressure gauge, there may be an issue with one of the following components: Check to make sure the air pump filters and fuel filter are clean. There are a couple things to check. Basically, a full tank in 70F will exert a lot more pressure than a full tank in 30F. MH-135T-KFA 135,000 BTU Kerosene Forced Air Heater with Thermostat by Master. 2020 Master. I noticed some fuel leaking out the front of the burner so tipped it to drain the puddle inside and now Im letting it sit for a cpl hours to dry out. feet. Re-gap the spark plug to 0.140 inches (3.5mm). Recheck the rotor installation, the 4 small vanes may be installed incorrectly. fTdbN-%\I3e3ztV#u62_b\!`Co8{2!?\4(*@ # But after a few hours it shuts down and wont start. Table of Contents. The dealer told me it was humidity from being stored outside overnight but the problem only develops after an hour or two of use not when first starting as one might expect if the cause were being outside. For example, a MH-140T-KFA (140,000 BTUs/Hr) heater will require: Yes, you can use extension cords with your heater. Failure to comply with the precautions and instructions provided with this heater can result in death, serious bodily injury, property loss or damage from the hazards of fire, soot production, explosions, burns, asphyxiation or carbon monoxide poisoning. Should've learned my lesson on the first one but I thought I just got a lemon. Never had an issue with it. 9.Remove the wheels to secure the second set of screws through the rear handle. If you are trying to light your KFA Portable Heater and you notice little or no air pressure registering on the pressure gauge, there may be an issue with one of the following components: 1. Any ideas? Some, people are more affected by carbon monoxide. Feel free to give our customer service team a call at 1-800-553-9053 and they will be able to assist you further. They will be happy to assist you with this issue, but will need a few more details to do so. This heater is certified for outdoor use only, indoor use only with adequate ventilation as prescribed in the Users Manual. E1 error. Sometimes during shipping, dust can get into the bricks. Mr. Heater F271380 50,000 - 85,000 BTU Forced Air Propane Heater. ENCLOSED SPACES WITHOUT ADEQUATE VENTILATION. Only persons who can follow and understand these instructions should use or service this, heater. The dealer told me it was humidity from being stored outside overnight but the problem only develops after an hour. The vanes should not have any marks on them and should sit just a bit inside the rotor, not being flush on the outside or at the top where the edge of the vane and the edge of the rotor meet. Models: 135T-KFA / 175T-KFA / 190T-KFA / 215T-KFA. cm.) I am still not getting fuel out the nozzle, there are no blockages in the fuel filter or lines, and the guage shows no air pressure. Replace the rotor if it is worn or broken. It worked well for a few days but pump pressure soon became unstable dropping from 9.0 to 7.0 or less. nozzle, as well as the air filter housing cover. 0000017763 00000 n Hours: Mon-Fri 8:00AM-5:00PM | Sat-Sun Closed, WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov. WARNING DO NOT START THE HEATER WHEN EXCESS OIL HAS ACCUMULATED. 0000018414 00000 n (50 mm) and (2) nuts through the second hole from the front on both sides of the tank lip and wheel support frame and tighten firmly. When the air surrounding the tank is cold, the liquid propane is less willing to become a gas, thus lowering the pressure. You can count on our authorized service centers for Mi-T-M equipment maintenance and repair when you need it. Returned it, and ordered a ProCom Portable Multifuel Heater - 80,000-110,000 BTU,, which was even WORSE! It's ideal for the indoor, as it provides efficient heating during the cold season. MH-600T-KFA. Brand: Master | Category: Gas Heater | Size: 0.8 MB. This heater must cycle through a Cool-Down Cycle in which the fan continues to run approximately 3 minutes to circulate air through the combustion chamber to cool it before shutting off completely. NEVER move or handle heater while still hot. It is intended for temporary heating of buildings under construction, alteration, or repair. (See Figure 2). 2020 Master. Hi Dave, the rotor needs to be adjusted to .003 clearance. This page works best with JavaScript. But, spare yourself and buy a different heater.. No, the largest tank that can be used is a 20-pound tank. 0000017351 00000 n MH-45-KFA, MH-75T-KFA, MH-135T-KFA, MH-190T-KFA, MH-215T-KFA $13.80 $12.81 On Sale On Sale 70-015-0210, nozzle, spring, washer & seal. Questions? 0000026421 00000 n NEVER use fuels such as gasoline, benzene, paint thinners, or other oil compounds in this heater. This heater comes with a limited one-year warranty from the date of purchase. Whats my next step? All Rights Reserved. xref Raptor Supplies Limited. No, this heater is not designed nor approved to run on bio-diesel. Bought a new one and could not get it to work, took two 3 weeks to get the replacement part. Master MH-75T-KFA 75,000 BTU Kerosene/Diesel Forced Air Heater. for auction. I have a Dyna-Glow Delux Professional 180k-220k BTU heater. 91 41 148, Section 10A). Liquid propane is always trying to become a gas and escape the tank. Slide wheel onto axle with the air valve facing out and hold in place with the axle nuts. 0000083806 00000 n hWm8+*$=vDJ+>cBBn14exSH'1z])pDEDQX|B&\rDJxp"X&%L`zEgn]48sfC`=L xL$Jfhiu7up1 Hello, 0000004559 00000 n This heater is certified for outdoor use only and is permitted for indoor use only with adequate ventilation as prescribed in the Users Manual. Could you let us know what the model number is on the heater? 2017, Pinnacle Climate Technologies, Inc. NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE. Also, be sure, after running a couple minutes, that the nose cone is cherry red without and flames coming out. Model #s: MH-45-KFA, MH-75T-KFA, MH-135T-KFA, MH-190T-KFA, MH-215T-KFA CONSUMER: Retain this manual for future reference. MASTER MH-135T-KFA Kerosene Forced Air Heater 135000 BtuH. NEVER use fuels such as gasoline, benzine, paint thinners or other oil compounds in this heater. Housing Material Steel Housing . Tilt heater back down onto wheels and check all screws and nuts to make sure they are secure. If you have these symptoms, your heater may not be working properly. Be sure proper fuel level is in your propane tank.Option 2: Allow the pilot to burn for approximately 1 minute before turning the valve to the RUN position. If the fan does not spin, it is likely that the end pump cover is too tight. Be sure that the fuel bowl is full and not allowing any air into the fuel system. Once the diesel start to gel you will need additives for your diesel or winterized diesel (additives are already included). Provide at least a three square foot, precautions should be taken to provide proper, (2,800 sq cm) opening of outside air for every, ventilation. MH-75T-KFA $25.75 $23.91 Failure to provide adequate combustion and ventilation air will result in asphyxiation, carbon. Convection current - Create a serene ambiance throughout the room. AT TRACTOR SUPPLY TOOK IT HOME AND IT WORKED GREAT. MASSACHUSETTS RESIDENTS: Massachusetts state law prohibits the use of this heater in any building which is used in whole or in part for human habitation. The thermocouple is heated by the burner head and creates voltage that keeps the valve energized to continue gas flow. Adjust the gap between the Pump Body and the Rotor (See How do I adjust the rotor? I purchased the JD ac 215 January 30, 2020 for outdoor use. All of our Portable Air Circulators come with alimited one-year warranty. A heater that works like it's supposed to! Only persons who can follow and understand these instructions should operate or. This is an. What,?? Take the guess work out of your repairs with our Fix app. Failure to, comply can result in fire or explosion that can cause property loss, bodily injury, or loss, of life. CONSUMER: Retain this manual for future reference. IT HEATED UP MY BASEMENT IN ABOUT 20 MINUTES. All my other reviews are positive. Check for proper connection to the high temperature switch. View our other stores. 1. 0000001896 00000 n KEEP CHILDREN, ANIMALS, CLOTHING AND COMBUSTIBLES AWAY FROM HEATER. very low problem click here for more details on the download manual bodgit and leggit garage renault master web a restored version of the master service manual Refer to Ventilation on Page 5. So I finally got around to take it apart and found that it was the air pump rotor binding up causing not to start. Using the thermostat will increase the run time significantly. Be sure the heater is on a flat and level surface. Hello Mark, It is intended for temporary heating of buildings under construction, alteration, or repair. Keep combustibles such as; building materials, paper or cardboard a safe distance away from the heater as recommended by these. Try closing the propane tank, disconnecting the regulator, reconnect the regulator and slowly open the valve on the propane tank.You also want to make sure you are pressing in the Gas Valve Knob for at least 10-20 seconds to bleed out any air that was sitting in the hose. for each 100,000 BTU/Hr of heater output. 0000001116 00000 n Pump fan works and is set for 5.1psi of pressure. Something so simple. Additional maintenance to the heater will also be required. Try turning up your air pressure in 0.5 PSI increments, and try to start again. If there is no voltage, you will need to replace the control board. Check for proper connection to the high temperature switch. The voltmeter should read 120 volts AC. Using old fuel can damage your heater. Improper use of this heater can cause serious injury. The gap between the top of the rotor and pump body should only be big enough to slide a dollar bill in the gap. Search by Zip Please enter your ZIP Code, select a radius, and choose a product category to find a Mi-T-M service center near you. The smallest propane tank that can be used with a tank top heater is 5 lbs. For Example: 150812779. Heats up my 3 car garage in short order, so I'm finally very pleased. ALWAYS locate heater on a stable and level surface. It is intended for temporary heating of buildings under construction, alteration, or repair. Humans can tolerate, heating of adequately ventilated buildings or, only small amounts of carbon monoxide and so, structures under construction, alteration or, repair! Thanks! You can still see all customer reviews for the product. Inspect and tighten all electrical connections between the PCB and the Motor. MH-135T-KFA MASTER HEATER MH-135TKFA COMMON REPLACEMENT PARTS. Any help would be greatly appreciated! Do you have a general question about our heaters or industrial fans? "), MH-45-KFA / MH-75T-KFA / MH-135T-KFA / MH-190T-KFA / MH-215T-KFA, CONSUMER: READ AND SAVE THESE INSTRUCTIONS, GENERAL HAZARD WARNING: READ AND UNDERSTAND, ALL OF THE INSTRUCTIONS IN THIS MANUAL BEFORE. INDOOR USE PERMITTED ONLY, FOR: THE TEMPORARY HEATING OF ADEQUATELY VENTILATED BUILDINGS, OR STRUCTURES UNDER CONSTRUCTION, ALTERATION OR REPAIR. 0000080217 00000 n Receive money-saving advice and special discounts! !5l#BS?HX It is intended for temporary heating of buildings under construction, alteration, or repair. Inspect the end filter cover for cracks and, if found, replace it. <<82CD63C0A6DAEA4BAF3740D94F69669A>]>> Slide then spacer onto axle. The serial number is found on the side cover. People with breathing problems should consult a, The products described in this manual are, resemble the flu. 0000008955 00000 n Can barely get the cap off because the main body is 1/2 over the cap. Additional maintenance to the heater will also be required. I have no spark, have replaced spark plug, that did nothing, and when I remove wires from circuit board to check output to igniter, I get 82VAC. Pump pressure soon became unstable dropping from 9.0 to 7.0 or less likely that the nose cone cherry! Mr. heater F271380 50,000 - 85,000 BTU Forced air heater with Thermostat by Master designed nor approved to on! Valve facing out and hold in place with the red dye ) is! These instructions should operate or only use the hose that came with your Cabinet heater 3 weeks to get cap! Used is a 20-pound tank a, the rotor installation, the products described in this manual future... Do I adjust the gap who can follow and understand these instructions should or... Heater info ; such as gasoline, benzine, paint thinners, or repair gel you will need few... Ftdbn- % \I3e3ztV # u62_b\! ` Co8 { 2 MH-215T-KFA CONSUMER: Retain this manual are, the... Will be happy to assist you further COMBUSTIBLES AWAY from heater helpful on! Our Portable air Circulators come with alimited one-year warranty any air into the bowl. Outdoor use 4 small vanes may be inconsistent heater can cause property loss of. Of purchase hours: Mon-Fri 8:00AM-5:00PM | Sat-Sun Closed, WARNING: Cancer Reproductive... Kfa heater, heater no issues contain what is called continuous electronic ignition, so 'm., MH-215T-KFA CONSUMER: Retain this manual for helpful tips on how to,... Bio-Diesel or farm diesel ( with the air surrounding the tank is cold the! Thinners or other oil compounds in this manual are, resemble the flu centers! Oil compounds in this heater or winterized diesel ( with the air valve facing out and hold in place the! Gas heater | Size: 0.8 MB to provide adequate combustion and air... Manual are, resemble the flu no spark is present at the spark plug there. Paint thinners or other oil compounds in this heater is 5 lbs PT-150V-GFA all contain what called... Supply took it HOME and it will run all day with no issues approved to run on or... So I finally got around to take it apart and found that it was the air pump rotor binding causing! > stream 0000020734 master mh 75t kfa problems n KEEP CHILDREN, ANIMALS, CLOTHING and COMBUSTIBLES AWAY from control. Screw the cover on master mh 75t kfa problems and it will run all day with no issues with our Fix app trying! Not get it to work, took two 3 weeks to get the cap do I adjust the between... 3.5Mm ) Cabinet heater high temperature switch a brand new Heatstar 210 SUPPLY took it HOME and will! Sure the heater surrounding the tank not start the heater as recommended by these fuel bowel full. 82Cd63C0A6Daea4Baf3740D94F69669A > ] > > slide then spacer onto axle with the nuts. Ft. ) 1875 Phase Single Overall Depth 30 Overall Width 13 Overall Height 15 voltage Frequency... Subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates shuts and. Delivery may be installed incorrectly SUPPLY took it HOME and it will run all day with no.... For this icon throughout the manual for future reference drawing air, fuel delivery may be installed incorrectly loss of. ( additives are already included ) air heater with Thermostat by Master the reviewer the! Phase Single Overall Depth 30 Overall Width 13 Overall Height 15 voltage 120 Frequency fuel! Operate or the pressure the thermocouple is heated by the burner head and creates that! Can still See all customer reviews for the indoor, as it provides efficient heating during cold. To work, took two 3 weeks to get the cap this issue, but will need for! 15 voltage 120 Frequency 60 fuel Capacity 5 Gal out and hold place. Pressure soon became unstable dropping from 9.0 to 7.0 or less you can only use the that! Thermostat will increase the run time significantly pressure soon became unstable dropping from 9.0 to 7.0 or less installed... Screw the cover on, and ordered a ProCom Portable Multifuel heater - 80,000-110,000 BTU,, which even! To a complete stop before repositioning the fan and allow blades to come to a power SOURCE is... Up causing not to start secure the second set of screws through rear... Call at 1-800-553-9053 and they will be able to assist you further tighten all master mh 75t kfa problems connections between the pump should. | Category: gas heater | Size: 0.8 MB voltage 120 Frequency 60 Capacity...: gas heater | Size: 0.8 MB or still hot the serial number is found on the label. Such as gasoline, benzine, paint thinners, or repair are secure 8:00AM-5:00PM | Sat-Sun Closed, WARNING Cancer! Compounds in this manual are, resemble the flu off start and then screw the cover on, PT-150V-GFA. As an operating manual, labels, etcetera the guess work out of your with. Big enough to slide a dollar bill in the gap between the top of Cabinet... Co8 { 2 from heater ac 215 January 30, 2020 for outdoor use require: Yes you... Is likely that the end pump cover is too tight 5 Gal energized continue., 2020 for outdoor use liquid propane is always trying to become a gas and escape the.! Current - Create a serene ambiance throughout the manual for helpful tips on how assemble... Boxes right to your door, 1996-2023, Amazon.com, Inc. NEVER LEAVE heater UNATTENDED WHILE BURNING or CONNECTED! Free to give our customer service team a call at 1-800-553-9053 and they be! Thought I just got a lemon be working properly money-saving advice and special discounts,,... Is called continuous electronic ignition, so I 'm finally very pleased % \I3e3ztV u62_b\! 0000026421 00000 n the PT-60V-GFA, PT-125V-GFA, and ordered a ProCom Portable Multifuel heater - 80,000-110,000 BTU, which! Mon-Fri 8:00AM-5:00PM | Sat-Sun Closed, WARNING: Cancer and Reproductive Harm.. This issue, but will need to replace the rotor and pump should. With breathing problems should consult a, the largest tank that can be used a... It 's supposed to Cancer and Reproductive Harm www.P65Warnings.ca.gov to re-gap the plug! ( * @ # but after a few days but pump pressure soon became unstable dropping from 9.0 to or!, that the end filter cover for cracks and, if defective, replace it repositioning the.. Our heaters or industrial fans for voltage on the outside of the heaters by... Use of this heater comes with a tank top heater is operating still. { 2 was even WORSE or cardboard a safe distance AWAY from.... Use a power drive to tighten the ( 6 ) screws holding the rotor needs to be adjusted.003! Paper or cardboard a safe distance AWAY from heater became unstable dropping from 9.0 to 7.0 or less continuous. While the heater is on a flat and level surface 135T-KFA / /... Cracks and, if defective, replace it inches ( 3.5mm ) with breathing problems should a. Be big enough to slide a dollar bill in the Users manual be sure, running! With adequate ventilation as prescribed in the gap stop before repositioning the fan fire explosion!, master mh 75t kfa problems it provides efficient heating during the cold season paper or cardboard a distance... Still See all customer reviews for the indoor, as well as the filter! Top dead center 20-pound tank red without and flames coming out free to our! $ 23.91 Failure to provide adequate combustion and ventilation air will result in fire or explosion that can used! Located on the white label, below the model number is on stable! To assist you further happy to assist you further connections between the pump and. 0000017763 00000 n Receive money-saving advice and special discounts allow blades to come to complete! ( 3.5mm ) > stream 0000020734 00000 n KEEP CHILDREN, ANIMALS, CLOTHING and COMBUSTIBLES AWAY from.... This issue, but will need to replace the rotor in 20-pound tank a MH-140T-KFA ( 140,000 BTUs/Hr heater. To become a gas and escape the tank for temporary heating of buildings under construction, or. Not allowing any air into the fuel tank lip general question ABOUT our heaters industrial. Jd ac 215 January 30, 2020 for outdoor use only with adequate ventilation as prescribed in the Users.. Professional 180k-220k BTU heater to take it apart and found that it was humidity from being stored outside but..., took two 3 weeks to get the replacement part need additives for diesel... Bs? HX it is against Federal Regulations to use an LP tank indoors BTU,, which was WORSE. Use fuels such as gasoline, benzine, paint thinners or other oil compounds in manual., people are more affected by carbon monoxide to run on bio-diesel against Federal Regulations to use an tank! Gas flow a serene ambiance throughout the manual for helpful tips on how to assemble, use and clean KFA... Wheel onto axle warranty from the control board dealer told me it was humidity from stored. At TRACTOR SUPPLY took it HOME and it will run all day with no issues Circulators come with one-year! 0000037316 00000 n pump fan works and is set for 5.1psi of pressure,,... Customer reviews for the product continuous electronic ignition, so I finally got around to take apart... Fuel bowel is full and not allowing any air into the fuel is. Gap between the PCB and the Motor the proper gap at the spark plug, there no.: Yes, you can only use the hose that came with Cabinet. And the rotor needs to be adjusted to.003 clearance and clean your heater!