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Professional contractors recognize the York S1-3500-412P/A heater element as the essential replacement for electric heat kits in York air handlers
á42S-A Combination Low Water Cut Off and Pump Controller with SPST Snap Action Switches and Quick Hook Up Fittings for Steam Boilers (Part Number 129702)
Key Benefits Precise Temperature Regulation: Delivers accurate resistance-to-temperature data to the CCB for optimal burner modulation
Utilizing a genuine Lennox 46K1801 burner maintains the original equipment’s design specifications
Lochinvar & A.O. Smith 100278114 Sensor 322838-752 Professional contractors recognize the YorkAs a seasoned technician, you know that accurate temperature feedback is the backbone of any high efficiency condensing boiler or water heater. The Lochinvar & A. O. Smith 100278114 Sensor is a critical 10k Ohm NTC thermistor designed for precision Domestic Hot Water (DHW) monitoring. This genuine OEM replacement part ensures the control board receives real time resistance data to modulate firing rates and maintain setpoint stability. Whether you are