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by mbc
Wed Nov 28, 2018 9:13 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating Controlled by Hot Water in Classical gas Open Vented System
Replies: 3
Views: 2126

Re: Central Heating Controlled by Hot Water in Classical gas Open Vented System

Hi ericmark, I perused your thorough answer, which I'm grateful for! Maybe it helped trying to make sense of what's happening. I have tried to work out what system you have, however top valve seems to be two port and bottom one three port which don't normally go together. I did some further research...
by mbc
Fri Nov 23, 2018 4:33 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating Controlled by Hot Water in Classical gas Open Vented System
Replies: 3
Views: 2126

Central Heating Controlled by Hot Water in Classical gas Open Vented System

A recent problem turned up with my central heating. It is a classical gas open vented system: gas boiler, loft cistern, indirect hot water cylinder, cylinder thermostat, living room thermostat, controller with separate knobs for hw and ch. Symptoms: 1) if HW is off, nothing happens (irrespective of ...
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