Recent content by etype

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    Central Heating Expansion Overflow

    Normally put - boiler - vent - feed(expansion pipe) - pump - bypass - motorised valve(s). Vent and feed within 150mm of each other. Don't normally need another vent, but do need an air bleed valve teed off primary flow near where it joins cylinder.
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    Draining single radiator using valve with drainoff

    Instead of a big bowl use an aqua vac if you have one, quicker and less messy.
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    SHIVER ME TIMBERS (COLD RADS) / FLUSHING A CH SYSTEM

    Common problem at start of heating season is stuck TRVs. Take off TRV head. You will see a short pin. If you push it down it should bounce back up. If it doesn't it's stuck. You can try to free it - very gently- by pulling , but dont pull it right out. You may need to pull it up and push it back...
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