or the furnace short cycling—shutting down shortly after ignition before reaching the thermostat setpoint

Accurate gas water heater repair often requires this specific 100109617 component to meet original equipment manufacturer tolerances

Exceeding this pressure can damage the internal diaphragm and lead to component failure

Optimized Condensate Flow: Engineered with a specific internal pitch to promote efficient condensate drainage and minimize standing water

Engineered with a 3/8 inch bore and a clockwise (CW) rotation

Cleveland Controls NS2-1239-00 Pressure Switch L99H008 or the furnace short cycling—shuttingThe Cleveland Controls NS2 1239 00 is an industrial grade air flow pressure sensing switch specifically designed to monitor positive, negative, or differential air pressure in HVAC systems. This fixed set point pressure switch is factory calibrated at . 70" w. c. (inches water column), ensuring high accuracy for critical safety applications such as proving fan flow or detecting filter blockage. Built with a glass filled polycarbonate housing and a