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Automatic By-pass Valve

In addition to the traditional heating controls, Drayton also manufacture a range of other controls and accessories as well as Underfloor Heating controls

Drayton stockists near you

The Full Automatic By-pass Valve Range

  • By-Pass Valve 0702020

    Automatic by-pass valve

    Designed to maintain a minimum flow rate in heating systems fitted with thermostatic radiator valves.