Space Heater Pilot Assembly For Mr.Heater Big Buddy Heater, Part Number MH18B, Replaces For Mr.Heater Big Buddy MH18B MH9B MH9BX 78422,F278527, F273401, 73404
US$24.04
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US$24.04
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by convention.georgiaffa.org
Free 30-day returns Details
Product details
| Management number | 214921350 | Release Date | 2026/04/12 | List Price | US$24.04 | Model Number | 214921350 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Replacement Numbers for 78422 ,F278527, F273401, 73404
- Flame-Activated Gas Control: Thermocouple generates a safety signal only when a flame is present, ensuring gas is cut off immediately if the pilot extinguishes.
- Integrated Pilot Burner and Thermocouple: Compact assembly combines both functions into one unit, streamlining installation and improving performance consistency.
- High-Temperature Copper Construction: Durable copper thermocouple resists heat fatigue and ensures fast voltage response under continuous flame exposure.
- Safety-Focused Operation: Helps prevent gas leaks and enhances heater safety by reliably monitoring flame presence and triggering shutoff if needed.
- Pre-Assembled for Fast Setup: Includes a pre-installed thermocouple and burner tip, ready to mount directly to compatible heater models with minimal adjustment.
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