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The ZoneFirst MMPK is a professional-grade 3-zone control kit engineered for single-stage HVAC systems
For contractors managing electric heating systems
Use a certified ECM tester or check for proper high-voltage input at the 5-pin connector and low-voltage communication signals at the 16-pin harness
not for circulating indoor air
preventing delayed ignition or nuisance lockouts in high-efficiency AF90 and AF80 series models
MAMAC Systems HU-226-3-VDC-12 Transducer 30067439-890 The ZoneFirst MMPK is aThe MAMAC Systems HU 226 3 VDC 12 is a professional grade duct humidity and temperature transducer engineered for high demand HVAC and building automation systems (BAS). This unit features a high performance bulk polymer capacitive sensing element protected by a proprietary ePTFE hydrophobic filter, ensuring reliable performance in environments prone to condensation, salt air, and pollutants. For precise climate control, it delivers 3% RH accuracy
US$ 190.00
US$ 190.00
US$ 150.00
US$ 125.00