just had unvented cylinder and new boiler installed - very nice too
installer has not completed Benchmark for either system
- will this affect guarantees in event of a claim?
Gas Safe certificate records installation of the boiler only - should it also state the unvented cylinder for Building regs compliance?
installer has not completed Benchmark for either system
- will this affect guarantees in event of a claim?
Gas Safe certificate records installation of the boiler only - should it also state the unvented cylinder for Building regs compliance?