one NTC sensor is included in the box

this HI-LO toggle switch handles the amperage requirements of HVAC blower motors while maintaining structural integrity

Key Benefits for the Contractor:

What is the benefit of the 4-speed configuration over a single-speed motor

Industrial-Grade Construction: Built with high-grade heating coils and robust supports to withstand repeated thermal cycling in forced-air applications

ZoneFirst MMPK Control Kit R-410A one NTC sensor is includedThe 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,