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

The 3/4" NPT inlet include a machined flange for superior support against the tank wall

The Maxitrol 325-7AL210D-1 1/2L is a high-capacity line pressure gas regulator designed for sophisticated downstream applications requiring precise pressure control

and the "20" is the temperature differential

Lochinvar & A.O. Smith 100109318 Burner Assembly 321894-709 Precise Superheat Control: Regulates refrigerantThe 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