A lot of boiler manufacturers demand that the circulation of water through the boiler heat exchangers shouldn't fall below a certain limit, regardless of system load. The Evolve ABV22 angled automatic bypass valve opens and closes according to the system pressure increasing the system efficiency as well as eliminating any noise.
|Manufacturer Product Number :||EV-ABV22|
|Manufacturers Warranty :||1 Year (Subject to Manufacturers T&C's)|
|Installation PDF File :||download installation file|
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