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Description
Q313A 071515 Thermopile 750 Millivolt for Gas Water Heater/Fireplace/Gas Fryer/Oven 24" Aluminum - Fireplace Pilot Burner AssemblyQ313A 071515 750 Millivolt Gas Thermopile Generator (24") Key Features High Output Power Generation: Specifically designed to generate approximately 750 millivolts (0. 75V) of DC electricity from the heat of a pilot flame, providing the necessary power to operate a self powered gas valve without external electricity. Aluminum Jacketed Protection: The 24 inch lead wire is encased in a flexible aluminum jacket that provides superior heat resistance and
Q313A / 071515 750-Millivolt Gas Thermopile Generator (24")
Key Features
- High-Output Power Generation: Specifically designed to generate approximately 750 millivolts (0.75V) of DC electricity from the heat of a pilot flame, providing the necessary power to operate a self-powered gas valve without external electricity.
- Aluminum-Jacketed Protection: The 24-inch lead wire is encased in a flexible aluminum jacket that provides superior heat resistance and shielding against mechanical abrasion inside the burner box.
- Rapid Response Time: Engineered with high-sensitivity internal thermojunctions that reach full power output quickly after the pilot is lit, reducing the wait time to engage the main burner.
- Standard 2-Wire Connector: Features a universal two-terminal spade connector compatible with most millivolt-controlled gas valves used in residential and commercial appliances.
- High-Temperature Durability: The sensor tip is constructed from heat-stabilized alloys designed to withstand constant exposure to a 1500°F pilot flame without melting or degrading.
Replaces / Cross-Reference Part Numbers
- Primary Part Numbers: Q313A, 071515.
- Cross-References: 60125501, 50332, 2103-512, 10332, 10332X, 332, 71515.
- Manufacturer Equivalents: Honeywell Q313A, Robertshaw 1950-001, Johnson Controls K16系列.
Compatibility & Fitment
This thermopile is a universal replacement for self-powered gas systems (no plug-in power required). Key applications include:
- Gas Fireplaces & Log Sets: Compatible with many Heatilator, Majestic, Superior, Vermont Castings, and Monessen units utilizing a millivolt valve.
- Commercial Foodservice: Fits various gas fryers and ovens from brands like Imperial, American Range, and Pitco that require a 750mV pilot generator.
- Gas Water Heaters: Suitable for certain older high-output or commercial-grade water heaters.
- Note: This is a 750 Millivolt generator. It is not a 30mV thermocouple. If your gas valve has a screw-in threaded connector, you likely need a thermocouple instead. This part has two push-on spade terminals.
When to Replace
- Main Burner Won't Ignite: The pilot flame is lit and hitting the thermopile, but the main burner fails to turn on when the thermostat calls for heat.
- Pilot Flame Goes Out: If the thermopile cannot generate enough millivolts to hold the safety magnet in the valve, the pilot will not stay lit after you release the knob.
- Low Voltage Reading: When tested with a multimeter, the thermopile produces less than 325 millivolts (under load) or 600 millivolts (open circuit), indicating the internal sensor is failing.
- Soot Build-up: Heavy carbon or soot on the thermopile tip can insulate it from the heat, leading to weak voltage output. If cleaning the tip does not restore function, replacement is necessary.
- Damaged Lead Wire: The aluminum casing is melted, kinked, or the internal wires are exposed, which can cause a short circuit.
Installation Tips
- Safety First: CRITICAL: Turn off the gas supply to the appliance before removing the pilot assembly.
- Clean the Pilot Orifice: PRO TIP: While the assembly is apart, use a piece of compressed air or a thin wire to clean the pilot burner. A weak or "lazy" pilot flame will not heat the new thermopile enough to generate the required voltage.
- Proper Positioning: Ensure the top 1/2 to 2/3 of the thermopile tip is engulfed in the pilot flame. If the flame only touches the very tip, it will not reach full power.
- Finger Tight Plus: When connecting the spade terminals to the gas valve, ensure they are snug. Loose connections add resistance, which can prevent a low-voltage millivolt system from operating.
- Check the Thermostat: If the burner still doesn't light with a new thermopile, check the thermostat wiring. Because the system is self-powered, even a small amount of corrosion on the thermostat wires can stop the signal.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Solid design, long lasting, healthy surface for cooking
Size: 11-Piece Set
I bought this exact set in 2021. I am buying more. With the number of reports about the dangers of pans made with non stick coating I decided i would only use cast iron or stainless steel going forward. These are “amazon brand” but I can say after years of use and abuse they are standing the test of time. Multiple moves, toddlers, rough use and they are all fully functional and work great. I LOVE the teardrop handles. It makes it so easy to hold the handle and the hanging holes on the handles are large allowing you to hang it more places on more things you may already have set up in your kitchen. I think anyone who is looking to get away from cheap, chemically pans off the rack should look at this set!! I have 4 years of proof they are not junk but a great long lasting items that seem to be well made. Higher price than buying a $10 pan at walmart but you get so many pots and pans with lids that will last a lifetime. You can also use stainless steel to cook in the oven so more functionality than most pans and pots you buy of the rack. You will just need to learn how to cook with stainless steel pans (check YouTube lots of instruction there).
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Reviewed in the United States on April 27, 2025
★★★★★ 4
Very pretty cookware
Size: 11-Piece Set
This is nice quality cookware for a great price. I have seen cooking shows that tell how to cook in stainless steel without it sticking. Unfortunately, my food still sticks. If I use a lot of oil, it isn’t so bad. One cooking show host says if you get it real hot before you add the oil, it won’t stick. It sticks. I am trying to get away from using Teflon because they say we have a lot of Teflon in our bodies from our cookware. I still go back to my Teflon a lot. But the cookware is very pretty, a nice weight, and cleans up fairly easily. I do soak the skillet before I clean it. I don’t have to do a lot of scrubbing. The sauce pans are great.
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Reviewed in the United States on June 10, 2025
★★★★★ 5
Cooks well, cleans easily
Size: 15-Piece Set
Bought this to replace old nonstick cookware. Looks good and not too heavy. Pot handles are cool enough to hold near the ends but tend to warm up close to the pot itself. Using on a gas range – heat spreads quickly and cooks. Best on low heat. Some sticking problems with food like cereal, lower heat advised. Glass lids are very handy with steam outlet. Have not used all of them yet, but they store and stack easily and I was looking for a good size stock pot and this should suffice. Not as heavy as other stainless steel cookware. Price reasonable for the number of pieces included.So far I am very pleased with this purchase.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Heat up well before use for "non-stick".
Size: 11-Piece Set
I really l Iike these stainless steel pots. I had to learn the trick to using them, and that is to make sure they are heated up properly before using. This makes them "non-stick" and your food won't stick to the bottom of the pot, especially if you're frying it. Also follow the manufacturers instructions and "season" the pots after you receive them, by coating the insides with oil and heat them up.
They cook really well, are light weight, easy to use, easy to clean, very sturdy, shiny surface, and holds heat after you've finished cooking. Also, don't use harsh scrubbers in them because it will scratch the surface. Scotch Brite Scour Pads work well in these pots. If you scratch them, use the green Scotch Brite Scour Pads to polish the scratch marks out. Enjoy them!
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Reviewed in the United States on April 17, 2026
★★★★★ 5
EXCELLENT DEAL.
Size: 5-Piece Set
These are authentic food grade, stainless steel pots and pans sold for ten times more via other companies. I did the research and the part where we cook or boil is stainless steel. The core is aluminum (we don't get that when we eat) and the outside is stainless steel again. Beware, though, they are SUPER HEAVY. Lift weights before picking them up! We love them. Wish we'd bought them sooner. You can't cook on high with them, though, b/c it will burn the food, since it isn't nonstick. We've learned to cook low and slow. No need to scrub so much. That's the only drawback. Great quality!
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Reviewed in the United States on December 3, 2025