ZoneFirst MMPK Control Kit Els PW 17895 It includes O and B

It includes O and B terminals for reversing valve switching

This Watts 415-M1 relief valve is a direct replacement for legacy 415-3/4 and 415-3/4-15 models

this direct-acting valve features a 3/8 inch NPT connection and an open on pressure rise configuration

supporting reliable lubrication and efficient starting

and Frigidaire gas furnaces

ZoneFirst MMPK Control Kit Els PW 17895 It includes O and BThe ZoneFirst MMPK is a professional grade 3 zone control kit engineered for single stage HVAC systems, serving as the direct functional successor to the legacy MMP3K model. Transitioning to the MMPK provides technicians with a streamlined Plug In Play zoning system that utilizes RJ11 modular jacks for rapid damper connections, significantly reducing field labor time. This kit includes the foundational MMP3 control panel, a dedicated T24 transformer,