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providing the reliable static pressure necessary for horizontal or vertical venting configurations
reducing potential points of failure in the circuit
the HH core is specifically designed to handle the aggressive solvent properties of Polyolester (POE) oils and the organic acids generated during oil breakdown
Designed with a CCW (Counter-Clockwise) rotation (lead end)
Lochinvar & A.O. Smith 100233301 Switch R-407C providing the reliable static pressureThe Lochinvar & A. O. Smith 100233301 Switch is a critical fixed setting Normally Open (N. O.) air pressure switch designed for negative pressure sensing applications in high efficiency venting systems. Calibrated specifically to 1. 25" WC, this OEM component serves as a primary safety proving switch, ensuring the combustion blower is generating sufficient draft before the ignition sequence initiates. For veteran technicians, this 100233301 pressure