Valliant boiler showing F75 Fault, is that no pressure was detected on the initial start cycle
, this means a faulty pump or pressure switch, take the pressure to 1.5 bar if this does not resolve
please call us on 07855382189.
Our highly-trained tradesmen are on hand to deliver you a top quality service. As you would expect from AA247, we are polite, professional and fully-insured.
01274 271969 (9am – 5pm)
07855 382 189 (24 Hours)
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