The "20CI" refers to a 20 PSI Cut-In (close)

and C-R427-G

This is an SPDT temp control

Common Questions What is the contact configuration for the 106035801

Aaon P51910 Relay Els PW 17895 The "20CI" refers to aThe Aaon P51910 Relay is a heavy duty 4PDT (4 Pole Double Throw) electromechanical component manufactured by IDEC, specifically engineered for high cycle reliability in commercial HVAC systems. This 24V AC coil relay serves as a critical interface for Aaon rooftop units (RTU) and air handling systems, allowing low voltage control circuits to manage multiple high load auxiliary functions simultaneously. With its 14 pin plug in design, the P51910