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The ZoneFirst MMPK supports standard 1-stage smart thermostats
This OEM replacement part is engineered to monitor the pressure within the draft inducer housing
When the air pressure in the supply plenum exceeds your calibrated setpoint
always verify medium compatibility and temperature limits before installation in steam-heavy environments
Belimo NFBUP Motor Actuator 30067439-890 The ZoneFirst MMPK supports standardThe Belimo NFBUP is a robust spring return damper actuator designed for reliable on off control in demanding HVAC systems. This mechanical fail safe unit provides 90 in lb of torque, ensuring consistent operation of control dampers and valves during power interruptions. Engineered with a universal power supply, the NFBUP accepts 24 to 240 VAC or 24 to 125 VDC, offering maximum job site flexibility for contractors. The brushless DC motor technology