Lochinvar & A.O. Smith 100111063 Outlet Switch 326058-756 This 3/4" NPT zone valve

This 3/4" NPT zone valve features a robust forged brass construction with a 7

streamlining maintenance for commercial HVACR technicians

and UDAS125 unit heaters

ensuring a smooth transition during heat calls and post-cycle fan cooling

Upon flame loss

Lochinvar & A.O. Smith 100111063 Outlet Switch 326058-756 This 3/4" NPT zone valveThe Lochinvar & A. O. Smith 100111063 Blocked Outlet Switch is a critical safety component designed for high efficiency commercial boiler systems, including the Cyclone Xi BTH 120 and SUF HCG series. As a veteran grade HVAC safety device, this switch monitors the exhaust vent for obstructions that could cause hazardous flue gas accumulation or thermal stress on the heat exchanger. If the integrated sensor detects a drop in air flow rate or a blocked