this Sterling 11J38R03421002 replacement part serves as a direct drop-in for worn or carbon-fouled assemblies in Sterling gas-fired heaters

Blue) engineered specifically for the demands of high-pressure HVACR service

Precision Regulation: Maintains consistent natural gas pressure to the burner assembly for stable heat output and reduced component fatigue

Improved Part-Load Efficiency: Reduces compressor short-cycling

Compatibility is strictly tied to the pin configuration of the motor control module

Grundfos 95906636 Pump 319852-301 this Sterling 11J38R03421002 replacement partThe Grundfos 95906636 is a professional grade UPS43 100F 115V circulator pump built for high demand hydronic heating and cooling systems. This cast iron circulator pump features a versatile 3 speed motor, allowing technicians to fine tune the flow rate and head pressure to match specific system requirements, optimizing energy efficiency and performance. Engineered with a wet rotor design, the UPS43 100F operates with a canned rotor where the pump and