Lennox 24W49 Pressure Switch R-407C transitioning to the HH83XB460 ensures

transitioning to the HH83XB460 ensures technical compliance with current Factory Authorized Parts standards without the need for mounting modifications

check for continuity across the element

This valve is rated for a maximum water supply pressure of 150 psig

or failure to initiate the igniter despite a closed pressure switch

If the plunger cannot seat fully

Lennox 24W49 Pressure Switch R-407C transitioning to the HH83XB460 ensuresThe Lennox 24W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the induced draft blower operation. This OEM Lennox replacement part, identified by part number 101021 04, is factory calibrated with a set point of 0. 70" WC PF 1. 05" WC. It ensures the combustion process is vented correctly before allowing the gas valve to energize. Built with a durable diaphragm and precise electrical contacts,