Armstrong Furnace R100306-02 Pressure Switch 320735-701 Robust Protection: Encapsulated NEMA 4X

Robust Protection: Encapsulated NEMA 4X rated construction guards internal copper windings against moisture

If the 24V coil is energized but the contacts do not close

Forged Brass Construction: Provides a 300 psi pressure rating and robust resistance to corrosion in hydronic environments

ensuring a seamless field installation without the need for additional bracket modifications

simplifying truck stock by consolidating multiple older models

Armstrong Furnace R100306-02 Pressure Switch 320735-701 Robust Protection: Encapsulated NEMA 4XThe Armstrong Furnace R100306 02 Pressure Switch is a vital safety component designed for precise pressure monitoring in high efficiency HVAC systems. Engineered for reliability, this 0. 3" WC pressure switch ensures that the inducer motor is creating sufficient draft before allowing the ignition sequence to proceed. As a genuine Armstrong replacement part, the R100306 02 provides a perfect fit for compatible gas furnaces, preventing dangerous exhaust