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check for a "pressure switch stuck open" error code on the control board
Check your boiler’s nameplate for the required ASME Code Section
industrial process cooling
Common Questions: Is the cartridge included with the 168183 body
Engineered as a direct replacement for the F63FF-1
Lochinvar & A.O. Smith 100208563 Sensor 321894-706 check for a "pressure switchThe Lochinvar & A. O. Smith 100208563 Sensor is a critical OEM replacement part designed for high precision temperature monitoring in commercial boilers and volume water heaters. This 1 4" NPT immersion sensor functions as a thermostat sensor kit, providing real time inlet temperature sensing data to the integrated control board. Built for durability in high demand HVACR systems, it features a rugged thermistor housed in a 1 4 inch threaded immersion
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