the 203541 and 203541/U are functionally and physically identical in terms of pinout and industrial specifications

reliable installation for field technicians

This mechanical line voltage thermostat operates with a temperature range of 40°F to 90°F

Fixed Setpoints: Pre-calibrated at 45°F Open and 60°F Close for consistent system cycling and freeze protection

The included 90-degree barbed elbow is a universal fit for 1/2"

Rheem-Ruud SP20127 Pilot Assembly Els PW 17895 the 203541 and 203541/U areThe Rheem Ruud SP20127 Pilot Assembly is a critical replacement component designed for high efficiency natural gas water heaters. This OEM pilot assembly serves as the direct successor to the AP14317B 1, ensuring a seamless fit and electrical compatibility with existing gas control valves. Precision engineered for consistent ignition, this pilot burner assembly includes the integrated thermopile and thermocouple leads necessary to maintain a reliable