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

heat timing

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

this Robertshaw cold control ensures the evaporator is cleared of frost before initiating the next cooling cycle

it is rated for 650 PSIG

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