Unvented Course (Course code LGTC 6)G3 Unvented Hot Water Our Unvented hot water course covers all vented and unvented hot water systems. Updated due to the recently revised G3 Building Regulation. Hot Water Systems & Safety course overview This course is for experienced operatives from the plumbing, heating & ventilating, gas and related industry who are looking to hold an industry recognised qualification to install, commission or service Unvented Hot Water Storage Systems UHWSS. It
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