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The isolation valve
Ending in AC) – 47-393-51 Potterton Titanium 28 Combi Erp (Serial No
Flow detection
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Logic + Combi 30 - 47-348-66
Vaillant Service Cock Kit 20010296 0020020015 The isolation valveThe Vaillant Service Cock with O ring and screws for use in the isolation valve of Guernsey or Jersey (condensing), Ecotec VU (condensing), Ecotec VUW (condensing) and Ecotec VUI (condensing) boilers. The isolation valve, which is situated underneath heating appliances, enables the user to regulate the flow of gas and water into a central heating system. The best part is it helps to stop the flow in case of a leak or emergency. Comes with O ring
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