Description
Pressure gauge on a sealed central heating system in a UK home: bar,bars,indicator,psi,reading,relief valve,valve,central heating,pressure gauge,pressure,boiler,system,europe,britain,british,british isles,great britain,uk,england,english,united kingdom,european,sealed,plumbing,plumber,pipes,pipework,gauge,meter,dial,sensor,sensors,equipment,close-up,close up,closeup,closeups,detail,details,heating,central,water,hot water,domestic,home,house,no-one,no one,no people,nobody,noone,control,controlling,pressurised,thermal,expansion tank,checking,household,copper,expansion vessel,feed,fittings,modern,pressurized,unvented
