For technicians servicing commercial or residential boilers and furnaces

Disconnect the sensor and measure the resistance across the leads using a multimeter set to ohms

The volume ensures the system can safely store excess liquid refrigerant during transient states

The Functional Devices-RIB TR240VA001 Transformer is a high-capacity 240VA control transformer designed for demanding commercial and industrial automation environments

Sterling HVAC 11J38R06890-003 Flame Sensor Els PW 17895 For technicians servicing commercial orThe Sterling HVAC 11J38R06890 003 Flame Sensor is a critical safety component engineered for precise flame rectification in commercial and residential heating systems. As a veteran grade OEM replacement flame sensor, this part is the factory authorized successor to the J38R06890 001. Designed specifically for the Sterling GG Garage Guy, SF, TC, and TF series unit heaters, it ensures the ignition control board accurately detects burner presence to