Weil McLain 389-900-221 Control Panel R-22 UDAS175-225

UDAS175-225

water pooling in the burner compartment

Product Specifications & Key Benefits: Precise Calibration: Fixed -

provided you cap off the unused speed leads with wire nuts

this general service valve is engineered for a high flow capacity with a 5

Weil McLain 389-900-221 Control Panel R-22 UDAS175-225The Weil McLain 389 900 221 BCP 8W is a high performance multiple boiler control panel engineered for hydronic applications requiring precision staging. For technicians managing multi unit configurations, this hydronic heating controller manages up to 8 stages out of the box, with the ability to expand to 24 stages using extension modules. By incorporating outdoor reset control, the BCP 8W automatically adjusts the system set point based on ambient