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Field-adjustable via a calibrated scale
contractors ensure that their air conditioner service and HVAC repair projects meet precise manufacturer specifications for flow rate and volume capacity
this valve utilizes an equal percentage flow characteristic in the A-port to ensure linear heat transfer
this kit provides a robust mechanical interface for 1/2 inch to 2 inch valves
Zonefirst MMZ3 Control Panel 30067439-890 Field-adjustable via a calibrated scaleThe Zonefirst MMZ3 is a purpose built zoning control panel engineered for single stage heating and cooling systems. As the direct replacement for CMM 3 legacy boards, the MMZ3 provides seamless modularity for managing 2 or 3 independent zones with 24Vac 2 or 3 wire damper actuators. This panel features advanced surface mount technology for maximum reliability and utilizes color coded, screwless terminal blocks to significantly reduce installation time