Heil Quaker ICP T111640005 Pressure Switch 340155-7026 It features a

It features a

this model is the photoelectric duct smoke detector unit only

and an aluminized steel burner tube manifold (664229R)

This module is primarily designed for York NACS-FD10AA units

Direct OEM Replacement: Fully replaces the 103N0003 model with identical electrical footprints

Heil Quaker ICP T111640005 Pressure Switch 340155-7026 It features aThe Heil Quaker ICP T111640005 Pressure Switch is a critical safety component engineered for high pressure monitoring in residential and commercial HVAC systems. Specifically designed as a 600 420# High Pressure Switch, this genuine OEM replacement part ensures the compressor is protected from excessive head pressure. The switch operates on a precise cut out cut in logic: it triggers a system shutdown if the discharge pressure exceeds 600 PSI and