Pentair Transformer Assembly For CP3800 Family | CP3800 ComPool Control System | XFM3BK

The Pentair XFM3BK is the OEM replacement Transformer Assembly for the CP3800 Family of ComPool pool and spa automation control systems. ⚠️ IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED This component operates at mains voltage (120V/240V). Electrical control components must be installed or replaced by a qualified electrician or certified pool technician. Do not attempt to service this component without proper certification and with power fully disconnected at the main breaker. The XFM3BK transformer assembly serves as the primary power supply and circuit protection unit within the CP3800 ComPool automation control panel. Failure of this assembly typically presents as a complete loss of control system function or loss of power to one or more controlled circuits. Specifications Pentair Part Number XFM3BK Part Name Transformer Assembly For CP3800 Family Quantity Included Each Pro Tip Before ordering, confirm the part number printed on your existing transformer assembly matches XFM3BK — the CP3800 family includes multiple control system variants, and transformer assemblies are not interchangeable across all configurations. All service on this component must be performed with power fully isolated at the main breaker by a qualified technician.