Fitted Worcester greenstar 28i junior combi now WC has a problem initially was the pipes were banging, now it a screeching noise.
Heating eng fitted new water float valve at installation.
Tried turing down pressure.
Called alt plumber who says mini expansion vessel needed with this...
I am drylining my kitchen.
Existing plaster on brick with 25 x 50 battons and 25mm jablite insulation board and 12.5 mm plasterboard.
Do I need foil backed plaster board to reduce moisture and mould?
Looking to replace two rads. In heating system 15mm copper piping comp joints and rad valves should I use ptf tape over olives before tightening fittings?