This replacement boiler sensor is compatible with the full range of Ultra series units and is essential for restoring high-efficiency performance after a sensor fault or open-circuit error

Ruggedly constructed for industrial HVAC applications

The Williams P090554 Orifice is a critical engineering component designed for precise fuel metering in Williams furnace gas conversion and high-altitude applications

Its robust construction is engineered to withstand the thermal stressors common in boiler mechanical rooms

Precise Compatibility: Features 3/8-16 NPT threads on both ends for a universal fit with standard Watts float valves and floats

Mueller Industries A14848 Straight Valve Els PW 17895 This replacement boiler sensor isThe Mueller Industries A14848 is a professional grade 1 4" straight packless diaphragm valve designed for high performance refrigeration and air conditioning systems. Engineered with a forged brass body, this valve features full size openings to provide maximum flow with minimal pressure drop, ensuring system efficiency. The LINEMASTER series design utilizes a coreless, packless construction with two stainless steel diaphragms and one phosphor bronze