Heatrae Sadia Pack U5 Hotflo Expansion Vessel and Check Valve Kit - 95970356

Heatrae Sadia Pack U5 Hotflo Expansion Vessel and Check Valve Kit

Expansion vessel and check valve the expansion vessel, when fully charged, will absorb all expanded water produced by the Hotflo heater during normal operation. The check valve prevents backflow of hot water and eliminates any possibility of cross-contamination between cold and hot water.