Appropriate manufacturers instructions would be a good start followed a competent person scheme with the same legal standing as Gas Safe pic.twitter.com/5iqAqpXPmC— PAUL DALEY (@daleyplumbing) August 21, 2017
Appropriate manufacturers instructions would be a good start followed a competent person scheme with the same legal standing as Gas Safe pic.twitter.com/5iqAqpXPmC
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