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the 3L09-2 offers an 1
ensuring sufficient heat transfer without causing excessive velocity noise or pressure drop across the hydronic zone valve
the venting system must be inspected for obstructions before resetting the switch
By replacing the entire pressure change assembly
Always verify the coil voltage match before wiring to prevent damage to the digital logic board
Lochinvar & A.O. Smith 100340535 Sensor 318518-761 the 3L09-2 offers an 1The Lochinvar & A. O. Smith 100340535 Sensor is a critical genuine OEM replacement component designed for high accuracy temperature and pressure monitoring in residential and commercial water heating systems. As the direct replacement for discontinued part 100093973 (and 6911130), this thermistor style sensor provides the precise resistance feedback necessary for the integrated gas valve and control board to modulate heat output and prevent scale
US$ 38.00
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