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Standard replacement covers typically utilize existing #4-40 hex or Torx tamper-resistant screws
lead wires are typically detachable and may be reused or replaced separately based on the condition of the insulation
making it a rugged solution for commercial and residential cooling systems
preventing the low suction pressures that lead to coil icing
Lochinvar & A.O. Smith 100110887 Switch 326010-701 Standard replacement covers typically utilizeThe Lochinvar & A. O. Smith 100110887 Blocked Outlet Switch is a critical safety component engineered for BTH 400A Series 100 101 gas water heaters and compatible Lochinvar Knight boilers. This normally closed switch is calibrated to a 1. 39 inch water column, providing precise monitoring of the exhaust vent airflow. Designed to detect back pressure or obstructions in the flue, it serves as a fail safe by interrupting the 24V control circuit to the