and hot gas line service

Precise Alignment: Designed with a 13

Industrial Durability: Rated for extreme temperatures and high-vibration HVACR environments

matching standard OEM specifications for 41-400 series applications

Thermal Stability: Engineered to withstand the high ambient temperatures common in condensed mechanical compartments

ZoneFirst 4PDR Relay and hot gas line serviceThe ZoneFirst 4PDR Relay is a specialized 24Vac 4PDT relay engineered for multi purpose HVACR control and complex zoning logic. This unit features a 4 Pole Double Throw configuration, allowing a single 24V signal to switch four independent sets of contacts. It is most commonly deployed as a slave damper control relay, enabling a technician to drive up to four separate dampers from one zone on a control panel or a single switch. The 4PDR utilizes a