heat

  1. F

    Two rads do not heat

    Two radiators in extension do not get hot. Been flushed through bled etc. Rads balanced in house. They get hot when all other rads off but not roasting to the touch, the minute you turn on any other rads, they go coolish again. Could boiler not be strong enough? If so, would changing all...
  2. Z

    No switched live to boiler when hot water tank thermostat demands heat + CH staying on.

    Hi folks. I have a couple of issues, any help advice much appreciated. 1. When my hot water tank thermostat demands hot water (wired into Honeywell wiring centre), I do not get a switched live to the boiler. I get 69 volts ac for both on and off wires from the tank stat. I have fitted a new tank...
  3. D

    Heat Link Cable Length

    Can I connect the Nest Heat link unit to the boiler with 25M of cable to move the Heat link unit closer to the centre of the house and therefore the Nest controller. The boiler is quite remote and the house has thick walls which block the signal.
  4. R

    Kick board fan assisted heat exchanger ?

    Removing 4ft radiator in kitchen and looking at installing one of those under unit heat exchangers due to having no wall space in new kichen, what size and model to go for.
  5. gcleve

    Set Worcester combi boiler to circulate without heat.

    Hi there - I have a Worcester Greenstar 25Si combi boiler running our heating rads. I've recently added a small tank with a heating element powerd by solar into the rads circuit. It's producing good heat, but I need a circulation pump to be on to move the heat around the system. Ideally I'd like...
  6. D

    Worcester Negative Fan Pressure decrease after cleaning heat exchanger

    Hi, I am new gas safe registered. I serviced a old worcester R28 HE Z7-28 system Boiler. found negative fan pressure -3.95mb lower than MI's -4.2mb, Gas rate is 2.82 m3/h, little bit lower than MI'S 2.9M3/H, so clean heat exchanger very well. after that check fan negative pressure, -3.11mb...
  7. G

    Blocked heat exchanger

    Hi, I have a Baxi Duo Tech Combi 33 boiler fitted to my small bore system in 2010. When the boiler was fitted I suspect no corrosion inhibitor was added to the system. Over a period of time I lost flow to a radiator, this was resolved by renewing a completely blocked section of pipework and...
  8. D

    Hot water boiler for floor heat bleeder valve question

    have a hot water boiler (was converted to steam before me). Want to run the oxygen Barrier pex under the bathroom floors for heat. Do these loops need a bleeder valve? Thanks
  9. K

    Worcester heat slave problems

    I have a Worcester heatslave 20/25 oil boiler leaking water from the automatic air vent do I need just too replace the vent or is there some other reason for the leak

Featured Content

Back
Top