Heatrae Sadia Pack U2 Expansion Kit Vape Detector it provides bright white illumination

it provides bright white illumination in a high-visibility yellow body

ensuring efficient switching for underfloor heating systems

DHW Flow @ 30oC Rise (ltrs/min): 6

Designed for harsh weather conditions

Homeowners seeking a flexible

Heatrae Sadia Pack U2 Expansion Kit Vape Detector it provides bright white illuminationHeatrae Sadia Pack U2 Expansion Kit The Expansion Vessel and Check Valve in Pack U2 ensures safe operation by managing water expansion and preventing backflow in your water heating system. Key Features: Expansion Vessel: Absorbs all expanded water produced by the heater when fully charged, maintaining system balance. Connection: " BSP male fitting, precharged to 4. 1 bar for efficient performance. Check Valve: Prevents backflow of hot water, ensuring