Pay in 4 interest-free payments of $25.75 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
This heater is specifically designed for York units requiring a 27
Contractor-Friendly Setup: Features a rugged aluminum backplate and clearly labeled terminals for 18-gauge wiring
this unit delivers a consistent 35 lb-in torque and features a 60-second travel time for precise modulation
Common indicators include the need for excessive pressure to initiate a cycle
The most common culprits are moisture intrusion
Lochinvar & A.O. Smith 100208559 Sensor 321042-401 This heater is specifically designedThe Lochinvar & A. O. Smith 100208559 Dual Immersion Sensor is a critical OEM replacement component designed for precision temperature monitoring in high efficiency hydronic systems. This dual immersion sensor outlet assembly, also identified by part number TST20017K, utilizes a dual element thermistor to provide the control board with real time data on supply water temperatures. Engineered for technical compatibility with Lochinvar Copper Fin II
US$ 58.03
US$ 145.00
US$ 52.50