43T6V423 | BOARD CONTROL | Carrier End to End Distance_2.94IN The kit contains a variety

The kit contains a variety of components

4 Zone (ZVR104) Caleffi's ZVR104 Zone Valve Relay is designed to control up to four independent zone valves

maximizing thermal energy transfer

Its primary function is to ensure the efficient operation of the impeller

Its installation-friendly construction makes it suitable for both new construction and renovation projects

43T6V423 | BOARD CONTROL | Carrier End to End Distance_2.94IN The kit contains a variety**43T6V423 Carrier Board Control** The Carrier 43T6V423 Board Control is a crucial component for controlling the operation of your HVAC system. Its advanced design ensures precise and efficient management of your heating and cooling equipment. **Key Features:** * **Enhanced Control:** Accurately regulates temperature, fan speed, and other operating parameters to maintain optimal comfort levels. * **Improved Efficiency:** Optimizes system performance,