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Zonefirst 4PDR is a 24 V AC multi-purpose plug-in relay that provides four single-pole double-throw contacts for HVAC zoning and general control applications. It mounts in a plastic DIN rail or flush-mounted socket and is commonly used as a slave damper control, allowing a single switch or control zone to operate up to four dampers. The relay has a nominal coil current of 50 mA and contacts rated 3 A at 250 VAC.
4PDT plug-in relay for HVAC zoning and damper control
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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