The inclusion of a 12A09 vlimiter (vent limiter) eliminates the need for vent piping to the outdoors in most indoor installations

specifically in liquid

Which controllers are compatible with this PTC sensor

and KeepRite models

The "40" side is dedicated to the compressor (Hermetic)

Functional Devices RIB24P30 Relay Els PW 17895 The inclusion of a 12A09The Functional Devices RIB24P30 is a heavy duty 30A DPDT power control relay engineered for high amperage HVAC and industrial switching applications. This enclosed relay simplifies field installations by integrating the relay, LED status indicator, and specialized transient protection into a single NEMA 1 housing, eliminating the need for separate DIN rails or external sockets. Designed with a 24VAC DC continuous duty coil, it provides reliable low