Latest news for Building Regulations Part L1 
Honeywell automatic bypass valve satisfies the boiler bypass requirements of Good Practice Guide 302(15/02/2007)
Good Practice Guide 302 states that a bypass circuit including an automatic bypass valve must be installed if the boiler manufacturer specifies that a minimum flow rate be maintained while the boiler is firing. The new DU144 automatic bypass valve from Honeywell provides a reliable and cost-effective means to satisfy the boiler bypass requirements of Good Practice Guide 302, part of Building Regulations Part L1 in England and Wales. It has... [more]
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