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combi

  1. iCannon

    Flow issues with a Potterton Heatmax Combi 28 HE

    Hi I have a Potterton Heatmax Combi 28 HE that was installed in 2014. Over the past year or so it has slowly had more trouble heating distant radiators. It was serviced in February 2022 and given a clean bill of health, however since then it now only heats the two nearest radiators and at a...
  2. G

    Firebird Combi CH Not working

    Evening Gents. That time of year again the wife has demanded the CH Be turned on. However, im having an issue with it - It simply isnt turning on. The LED On the front panel illuminates to suggest the CH Has been turned on by the boiler, but nothing happens. The HW works perfectly normal. If...
  3. M

    Help with leaking boiler flue on baxi neta tec combi ga24?

    Hi, I've been having trouble with my boiler leaking for months. We thought we'd fixed it last winter as haven't had any trouble throughout the summer but in the last week or 2 it's leaked again, we had several people out to look at it but no one fixed it. Tonight we've had someone else look and...
  4. P

    Constant head pump for old combi?

    Hello forum, 1st time here. The Grundfos 3-speed pump in a Worcester Heatslave 15/19 oil combi boiler is on its way out. The boiler is old but in v good nick. The network is trunk/branches. All rads (but one) have TRVs. Pump is set on max, which seems to be what it needs when supplying all...
  5. D

    firebird enviromax combi lock out

    Hi. I have a firebird enviromax combi boiler. each time it turns off the motor on the riello burner keeps running for a while then the whole thing goes into lock out. flashing green and red. shouldn't the motor turn off straight away? I'm also getting pressure building up while it's running...
  6. M

    Choosing Combi with Modulation and Smart Controls

    Hi all I wonder if anyone could offer some advice. I’m looking for a new combi and thought I may as well upgrade to smart controls if we have to change it. I’ve pretty much worked out that I need a boiler with decent modulation (10:1 or as near to it would be great). I’d like a stainless heat...
  7. A

    Ideal Combi Logic+ C24 Losing pressure

    Hello guys! I had an Ideal Combi Logic+ C24 fitted in August 2021 in my mid terraced house and I started noticing that it was losing pressure during winter 2021. I had the first engineer sent by Ideal in March 2022 when the pressure was going down very fast, I could see the gauge going down...
  8. R

    Advice on Combi Boiler

    Hello - I was hoping for some advice and opinions on a new combi boiler I currently have a 3 bed semi with a myson orion boiler (it isnt a combi) - the boiler was installed around 1989, hasn't given any problems and is still working fine. Due to the increase in gas prices it is time to change...
  9. E

    EPH COMBI PACK 4 to ida

    Hi there Advice needed having a eph combi pack 4 fitted to my ideal vogue c40 gen 2 boiler 2017 model the wiring change on post 2019 boilers. Do I need a separate power supply for the reciever or can this be powered from the boiler. It will be connected via open therm. Many thanks
  10. K

    Error E119 Potterton Combi Gold 24E

    I'm getting an e119 error which I assume is low water pressure. I'm turning the 2 valves that I think should increase pressure but I'm not getting anything. Any ideas?
  11. V

    Can I oversize a new combi for DHW flow rate?

    I have to replace my combi (Vaillant ecotec 35kw) and installer has suggested Ideal Vogue 32kw. Happy with his advice regarding the model but I see that the DHW is only 13 l/min whereas on the old Vaillant it was 15 l/min Therefore I was wondering about getting the 40kw Vogue as this is...
  12. A

    15+ year old Glo Worm back boiler repair or replace with a new Combi.

    So I've got a Glow Worm back boiler fronted by a gas fire, at least 15 years old probably a lot more. The water heating makes a row as there is a partial blockage in one of the pipes - this I believe to be resolvable with a power flush and pump replacement. The front fire is spilling fumes and...
  13. N

    Combi boiler flue leak

    Hello, I have a Vaillant Ecotec combi boiler. The flue pipe extension has started to leak at one of the joints. The internal plastic connection pipe appears to be intact. It still drips when there isn't a demand for the boiler. I've attached some pictures and moved the joint strap to see...
  14. K

    Question regarding flexibility of a Combi boiler

    hi all, Forgive me if this is a stupid question, but within the usual scenario of a combi boiler in a house configured to provide central heating and hot water for bath/kitchen is it possible to shut down the central heating but continue providing hot water to services? Many thanks. P
  15. D

    Parallel System wood burning stove and Combi boiler

    I'm looking for a heating engineers/old school plumber to put in a Combi boiler (possibly Intergas) replacing very old open vent system in parallel with a wood burning stove with a back boiler (ESSE Bakeheart) as back up and alternative. I know this relies on two radiator systems. Combi for...
    • David F
    • Thread
    • boiler combi combi boiler system
    • Replies: 2
    • Forum: Boiler Advice Forum
  16. S

    Daily pressure / top up. Combi Logic. help

    I wonder if anyone has any thoughts? Combi Logic 30 Boiler - constant pressure loss - no obvious leaking. Few years ago we got an error code indicating pressure was below minimum. We resolved ourselves by using the manual and topping up per the guide. Sometime later, in some really cold...
    • SteveRPX1010
    • Thread
    • combi logic pressure
    • Replies: 3
    • Forum: UK Plumbers Forums
  17. E

    Vitodens 200-W Combi WB2B Steppermotor does not move

    Hi, My combi-boiler has just given up heating the house and basically only delivers hot water. While in central heating mode it heats up and stops to prevent overheating of the internal section of system. No fault or error code are displayed. Suspicion: 3-way changeover valve assy. So I...
  18. I

    Baxi combi boiler water pump valve leak

    Recently the central heating pressure kept dropping in my baxi combi boiler, I topped it up yesterday evening and this morning in needed topping up again. I noticed a small leak from what appears to be a valve on top of the water pump. Looks like it's a screw and maybe if I tighten it it will...
  19. Renier

    Do Combi Boilers only provide hot water at 100% Open Tap?

    Recently had boiler issues heat exchanger was replaced but water would still go Cold Randomly especially in the shower. Engineer says Combi boilers can only provide hot water if the turbine is spinning at max speed so you have to open the tap at 100% to get hot water. So he removed(broke) the...
  20. P

    Can I install a stove back boiler with a combi gas boiler?

    Hi all, I have a Logic Combi 30 gas boiler installed in my house. The wife and I would like to install a multi fuel stove with a back burner to give us another option for central heating and hot water (especially with the current price of gas). With the pressurised system, is it possible to do...

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