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Featuring a combined DPST and SPDT switch configuration
Designed for reliability in demanding immersion-style heating applications
Most failures result from moisture in the sensing lines or a failing inducer motor rather than the switch itself
This 12x10 blower wheel features a 1/2 inch bore and is balanced to deliver consistent airflow while minimizing vibration-related mechanical stress
50" WC for safety compliance
ZoneFirst MZA2 Zone Adder Els PW 29614 Featuring a combined DPST andThe ZoneFirst MZA2 is a critical expansion component designed specifically for the MZS4 Zone Control Panel, allowing for the seamless integration of two additional HVAC zones. Operating on 24VAC, this zone adder utilizes plug and play connectivity to bridge additional dampers and thermostats into the existing master control logic. For contractors managing larger residential or light commercial zoning projects, the MZA2 eliminates the need for
