Resideo PCVF-ECM2020 Pump R-407C The Single Pole Double Throw
Platform notes & fabric story
Description
Resideo PCVF ECM2020 Pump R 407C The Single Pole Double Throw The Single Pole Double Throw (SPDT) configuration allows you to wire to the normally open (NO) or normally closed (NC) terminals depending on whether you need to break or make the circuit on temperature rise When replacing an older 3 4" 2 stage gas valve