Altecnic Eres Differential Bi Pass Valve 22mm ER-22MMANGBI. This valve is part of the Altecnic range and has been designed to ensure that your heating pump does not work against a closed circuit when your heating controls or thermostatic valves are not open
Altecnic Eres Differential Bi Pass Valve 22mm ER-22MMANGBI. This valve is part of the Altecnic range and has been designed to ensure that your heating pump does not work against a closed circuit when your heating controls or thermostatic valves are not open