Safety Regulation: Actively monitors the 1-5 PSI pressure range to protect heat exchangers from damage caused by improper flow rates

commonly found in the M1

secured with a mounting clip to sense true outdoor air temperature away from direct sunlight or internal component heat

Direct OEM Fit: Eliminates the need for hub adapters or pitch adjustments

The unit features a high-visibility backlit display and intuitive interface designed for rapid field setup

Zonefirst MMZ3 Control Panel R-410A Safety Regulation: Actively monitors theThe 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