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The DU145 Automatic Bypass Valve is suitable for all heating
systems up to 6Bar static pressure where a boiler bypass is
required or radiator thermostats are fitted.
The DU145 provides a simple method of ensuring adequate flow
through boilers which require a bypass as well as reducing
system noise.
In systems fitted with radiator thermostats, the DU145
Automatic Bypass Valve opens automatically as the TRVs or
zone valves close down and the resistance of the system starts
to exceed the preset pressure limit.
Automatic Bypass Valves are particularly beneficial in improving
efficiency by bypassing the system when necessary and also
improving control of the system fitted with TRVs by ensuring a
constant differential pressure across the radiator.
Model: DU145-3/4B
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