Pentair Transformer | ThermalFlo HP Titanium Heat Pump / UltraTemp 220 ETi | 473155Z Youth Floats Emergency Shut-Off for Pentair Automation

Emergency Shut-Off for Pentair Automation Control Systems

Connection Size 3" Quantity Included 1 (two required per filter — see callout above) Fits Into

PowerMax commercial heaters span a wide BTU range — verify your specific unit's service documentation to confirm this ignitor applies to your model

Large acrylic balls indicate you need the Tsunami Water Valve Kit (540242) instead

Upstream (before): ~10 inches minimum of straight pipe

Pentair Transformer | ThermalFlo HP Titanium Heat Pump / UltraTemp 220 ETi | 473155Z Youth Floats Emergency Shut-Off for Pentair AutomationThe Pentair Transformer (473155Z) is the OEM replacement transformer for the ThermalFlo HP Titanium heat pump series and the UltraTemp 220 ETi heater, restoring proper low voltage control circuit operation when the original component has failed. IMPORTANT: ELECTRICAL COMPONENT PROFESSIONAL INSTALLATION REQUIRED This transformer is an internal electrical component of a heat pump or heater control system. Installation or replacement must be performed by