R410A Optimized: Rated for high-pressure operation up to 700 psi

it is rated for 650 PSIG

providing robust contact life for inducer blower motors and 125/277VAC circuits

utilizing this genuine part ensures seamless integration with the existing control board and prevents nuisance trips caused by the drifting tolerances often found in universal alternatives

Reznor 104842 Pressure Switch Els PW 17895 R410A Optimized: Rated for high-pressureThe Reznor 104842 Pressure Switch is a critical safety component designed for combustion air proving in specialized industrial heating equipment, including Reznor waste oil heaters and Venturion models. Engineered to monitor the differential pressure within the induced draft assembly, this air pressure switch (often cross referenced as FS3440 894) ensures that proper venting is established before allowing the burner to cycle. By verifying airflow