Pro-Parts 78018 Red Temp Control Knob

The Pro-Parts 78018 Temperature Fuel Control Knob is a direct-fit replacement for older Mr. Heater BIG Buddy Portable Propane Heaters (MH18B model), ensuring reliable operation for your outdoor heating needs. This red-painted, round knob is designed specifically for units with serial numbers MHC748000097071 and below, making it essential for maintaining precise temperature and fuel control in compatible models. The 12.5mm outer diameter shaft guarantees a secure fit, while its durable construction is built to withstand regular use.

This replacement part is suitable for a range of Mr. Heater, Heat Star, and Enerco BIG Buddy heaters from the same generation, offering a cost-effective solution if your original knob is damaged or worn. Always verify your heater’s serial number before purchasing—knob part #78418 is required for serial numbers MHC748000097072 and above, including newer models with a 27mm shaft base. The simple yet effective design ensures smooth operation, helping you maintain optimal heat output without compromising safety.

Built to match the original equipment, this knob features a painted red finish for easy identification and a sturdy construction to prevent wear over time. Whether you’re servicing a personal heater or managing a fleet of older units, this replacement part provides the reliability you expect from Pro-Parts. Always handle propane heaters with care, and ensure proper installation to avoid leaks or malfunctions.