The dry contact relay configuration ensures clean signal isolation

ensuring that scale and solder debris are trapped before they reach sensitive expansion devices

This kit is essential for pneumatic control systems requiring proportional valve actuation and precise stem positioning regardless of load variations or friction

This specific T&P valve is rated for a steam relief capacity of 1

Smith to meet exact factory specifications for natural gas applications

Lochinvar & A.O. Smith 100208378 Pressure Switch 326010-701 The dry contact relay configurationThe Lochinvar & A. O. Smith 100208378 Pressure Switch is a critical OEM safety component engineered for precise airflow monitoring in high efficiency boilers and water heating systems. This switch is factory calibrated to a 4. 10" WC (Water Column) set point, ensuring the inducer fan generates sufficient negative pressure for safe combustion. As a direct cross reference for part 100166100, it serves as a standard replacement for several Lochinvar