the Trane THT0621 thermostat offers reliable low-voltage temperature regulation with a simplified calibration interface

010 LP Pilot Orifice

Direct Retrofit: Specifically engineered as a high-performance CTC-1622 replacement

and light oil systems

Lochinvar & A.O. Smith 100166156 Pressure Switch Freon the Trane THT0621 thermostat offersThe Lochinvar and A. O. Smith 100166156 Air Pressure Switch is a critical safety component designed for precise differential pressure sensing in high efficiency water heaters and boilers. This switch, which is identical to PRS2405, monitors the venting system to ensure the combustion blower is moving sufficient air for safe operation before the ignition sequence begins. Built to handle low positive or negative pressure fluctuations, it prevents short