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    Rodding access to existing rainwater downpipe

    Hi All, We have a blocked downpipe and any advice on how to get at it would be appreciated. Water is backing the existing cast iron downpipe and flooding out the connections half way up and around the base. I have tried jetting down from the very top (~5m up) and rodding it but with on luck...
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    Vaillant Ecotec plus 937 with Opentherm and Evohome

    Hi All, I'm looking to wire up our Ecotec 937 plus with Opentherm and Evohome. So far I can source the VR33 module and have located the X31 interface on the PCB where this should be plugged in. Unfortunately it appears to have another connection already plugged into this serving the shift load...
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    Weather compensation & Wireless TRV control

    Afternoon all, I am planning on installing the latest revamp of Honeywell’s Evohome system when it is released later this month. As many of you know, the system learns how long the zone takes to heat up and learn when to switch on to hit a target temperature for a specified time. Does anyone...
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    Radiator plug size query

    Evening all, We have a radiator that is leading from the port by the bleed valve. It looks like the rubber seal has perished and I'd like to replace it. I've measured the OD and it's an inch, I'm assuming this means it's 3/4" fitting and I should look for a bsp plug? Please can someone...
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    Replacing a fused spur to serve underfloor heating

    Hi All, I have one of these: http://www.greenbrook.co.uk/proddetail.php?prod=T40S-C and would like to use it to replace an existing switched fused spur outlet. I'm assuming I can link the exiting two earth wires and two neutral wires and wire it as a single pole single switch. The...
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    Replace existing wall timer with evotouch relay BDR91

    Hi All, I have an Vokera 36HE boiler wired up to a time switch and I’d like to zone up the house using a Honeywell Evotouch system. I am looking into what is required to swap out the existing timeclock for the BDR91 relay box. I have isolated and opened up the boiler and removed the front...
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