This control features a 5°F constant differential

Built to withstand the thermal cycling typical of York

the Reznor 11833 natural gas orifice provides the required tolerance to maintain input ratings without the risk of over-firing or carbon buildup

Set your multimeter to the microamps (µA) scale and connect it in series with the sensor wire

commonly used in residential and commercial condensers and air handlers

ZoneFirst MP12M Damper Motor 30067439-890 This control features a 5°FThe ZoneFirst MP12M Damper Motor is a high torque, 12V DC replacement actuator designed specifically for plug in style zone dampers. This motor is the direct electrical and mechanical equivalent to the ZoneFirst MP12, engineered for rapid field replacement in commercial and residential HVAC zoning systems. Utilizing an RJ11 jack connection, this motor eliminates traditional terminal block wiring, allowing for a plug and play installation that reduces