Enviro-tec PC-03-0001 Pressure Switch Els PW 17895 is a heavy-duty cast iron

is a heavy-duty cast iron air gap designed to provide the required physical separation between the potable water supply and potential contaminants

The 40-watt power rating provides sufficient heat to keep the sump temperature above the ambient saturated suction temperature without excessive energy draw

Optimized Airflow: The 2-blade 24" design is balanced to maximize CFM output in high-ambient conditions

Always verify the valve body flange and power assembly match these specifications

and 7-21854 across various pressure washer and boiler brands

Enviro-tec PC-03-0001 Pressure Switch Els PW 17895 is a heavy-duty cast ironThe Enviro tec PC 03 0001 is a normally open (N O) fixed air pressure switch engineered for precision monitoring within VAV terminals, fan coils, and commercial air handling systems. This genuine OEM replacement is calibrated at a 0. 05" WC (water column) set point, ensuring the circuit closes only when sufficient static pressure is detected to safely initiate HVAC system sequences. Built with a robust housing to withstand typical mechanical room