the PT-104 is intrinsically safe and suitable for explosion-proof environments

and the "20" is the temperature differential

verify your run capacitor requirements and lead wire length to ensure a secure condenser fan motor wiring setup

and PCH/PCL liquid level control units

Precise Superheat Control: Regulates refrigerant flow to protect the compressor and optimize coil surface utilization

Lochinvar & A.O. Smith 100109318 Burner Assembly 321894-709 the PT-104 is intrinsically safeThe Lochinvar & A. O. Smith 100109318 Burner Assembly is a direct replacement LP gas burner engineered for high efficiency water heater maintenance and repair. This LP FV Burner ASSY features a #51 orifice specifically calibrated for Liquid Propane applications, ensuring precise fuel to air ratios and stable combustion performance. Designed for units utilizing Flammable Vapor (FV) ignition technology, this assembly addresses common water heater pilot