Is this a direct replacement for my Sterling heater

this motor is engineered for continuous duty in demanding outdoor environments

Common Questions & Troubleshooting

which typically indicate the internal NiMH cells can no longer hold a full charge

Weil McLain 389-900-221 Control Panel THPU32HP7Y Is this a direct replacementThe 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