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  1. C

    Descaling unvented cylinder

    Hia guys I have a 300l unvented hot water cylinder not getting up to temperature. Primary Flow into the coilis coming in at approx 70deg but water temperature is not getting above 40deg. Cylinder is over 10years no scale reduction so Im guessing the coil is scaled or sediment build up is...
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    T0008 flue in voids and CO Void monitoring system

    Hia guys, Carried out a full service on a Keston c 36 last week. Boiler is in the middle of the ground floor and flues our the rear of the building via dropped ceiling in The kitchen and then eVia vertical ducting. I issued an At Risk to the customer as no access to the flue for inspection. I...
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    Help from a break down guru with potterton kingfisher mf 80

    hia guys, Called out to a king fisher this evening hoping someone can help. Problem: Boiler not firing. On arrival found redlight on reset called for heat. Fan engaged but no ignition. Took cover off tested for 240v between live and switch - ok. Called for heat again fan and pump engaged...
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    Viessmann vitoden 111-w Combi serve?

    Hi guys, I'm quoting for the installation of a Viessmann vitoden 111-w. For a 2 bathroom flat. Both with bath showers. It's my understanding that this unit comes with a 46l storage vessel. However once the vessel depletes I've heard that's there's a valve that can be fitted to the hot water...
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    Vokera Compact 25 ignition failure (can anyone help a rookie)

    Hi Guys New to the boiler diagnostics, so go easy http://www.vokera.co.uk/wp-content/uploads/2014/02/Compact_A_User_and_Install_Manual-v1.pdf Carried out initial electrical safety test.. Earth resistance, Resistance to earth, Short circuit and polarity all ok. Put a hot water demand on the...
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