Lochinvar & A.O. Smith 100110811 Switch 319825-402 The S1-025-31813-000 ensures that if

The S1-025-31813-000 ensures that if the system experiences restricted airflow—often due to a clogged filter or a failing secondary heat exchanger—the circuit breaks before the unit sustains damage

Key Benefits Universal Pilot Burner Compatibility: Direct replacement for J114 series units

Precise Calibration: Factory-set at 4

This 120V transformer operates at 60Hz and provides a 10

For low-pressure safety cutout applications

Lochinvar & A.O. Smith 100110811 Switch 319825-402 The S1-025-31813-000 ensures that ifThe Lochinvar & A. O. Smith 100110811 Blocked Outlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone BTH and Armor series. This OEM pressure switch functions as a normally closed (NC) SPST contact, engineered to monitor flue gas backpressure. If the exhaust venting becomes obstructed or the pressure rises above the calibrated set point, the switch opens, breaking the 24V