Resideo VU53N1033 Valve R-407C or inspect the pressure switch

or inspect the pressure switch tubing for moisture or cracks before replacing the board

we recommend matching the thermostatic charge to the specific refrigerant for peak ASHRAE performance

We recommend verifying your unit's parts list to ensure the R100305-02 is the designated replacement for your chassis size

two-way NPT forged brass ball valve engineered for precise fluid control in commercial HVACR systems

This UCB is utilized primarily in residential and light commercial Carrier heating and cooling equipment

Resideo VU53N1033 Valve R-407C or inspect the pressure switchThe Resideo VU53N1033 is a 2 way Normally Closed fan coil valve engineered for precise flow control in commercial hydronic systems. Featuring a 3 4" NPT connection and a 3. 5 Cv flow coefficient, this brass body hydronic valve is designed for high performance integration with hot water and chilled water applications, including solutions with up to 60% glycol concentration. Built with a brass stem, brass seat, and durable EPDM rubber packing, it