The ABV should be fitted where a boiler bypass is required. Typically this is the case when a system is equipped with a thermostatic radiator valves (TRV’s) and to allow pump overrun operation after zone valves have closed down.
Regulates heating system differential pressure
High capacity flow, up to 50 litres per minute
Differential pressure range 0.1 to 0.6 bar
22mm compression fitting
Reduces system noise
Lockable set pressure
Constant flow through boiler
Maintains an even system pressure
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