combi boiler

Hey, Currently in the process of switching to a combi boiler, but running into some issues with space. A reputable boiler engineer came round and confirmed that fitting a Navien combi (395mm wide) would be fine—our current boiler is 390mm wide. I ended up ordering the same boiler through BOXT...

We recently purchased a two bed flat, it's the third storey in a block. Did a system conversion to a combi. Pressure held perfectly for about six weeks before gradually losing pressure. We finally changed all the radiators, and despite some air lingering in the system, pressure held. With...

Recently bought an Ariston E-Combi One gas boiler ready for installation. We have standard 22mm pipes which were used on the previous boiler and seem to be the norm. This brand new boiler has a tap with a 22mm gas inlet on the pipe side and then reduces to a 15mm on the boiler side! Has anyone...

Hello, I have an issue with my Potterton Promax 33 Boiler Issue today, it is making a banging noise around 30 secs after opening the hot water water or turning on the central heating. Firstly, I thought it is the plate heat exchanger but I thought that would only cause banging noises upon DHW...

Hello, I’m trying to cap off some bathroom pipes but need to turn off the water supply first. The steps I’m taking are: 1. Switch off water stopcock under sink 2. Switch off Worcester combo boiler from the switch (as shown on the left of the image) 3. Run taps to drain water from system 4...

Hi there, I was wondering if anyone could kindly help me I am splitting my maisonette up (planning permission granted) the first floor is its own self contained flat and the loft will be its own flat. The loft will have electric hard-wired radiators. I will only require hot water for: shower...

So im definitely not a plumber but im just wondering at the possibility of changing the rubbish electric shower downstairs to one that runs off the combi boiler literally 10ft away. Theres a hot water feed to the sink so just thinking whether i can fit something like a T piece and run a shower...

I have just had a boiler, hot water tank and power shower pump replaced on advice by my plumber. I have two separate boilers, heat/hotwater systems in the house. This boiler was replaced by a combi boiler as it only heats the lounge and master bed and provides hot water to en-suite bathroom and...

Is this combi boiler any good for a 5 bed house, 2 bath, 4 showers and 22 radiators. Existing system is regular gas boiler (old one) with 2 hot water tanks as the house has been extended. Have shower pumps also as showers are far distance from hot water tanks. Currently just three of us living...

Hi there, Was hoping to install a new Hive thermostat myself - but turns out it's not as simple as switching over from the old temperature wheel one... It's a Hive Mini single channel receiver, and we have a Main Eco Elite combi. The old one is a simple two wire setup - supplied by twin and...

Hi, I'm after some advice for switching our current heating system. We are in the process of buying a house and I am looking at replacing the house regular/conventional boiler (Hot water cylinder + water tank) with a combi boiler. I am trying to understand which sized boiler would be best for...

A family member recently had a loft tank system replaced with a combi - old house. The pressure in her bathroom is now very poor, pressure in the kitchen is fine - it's a very small house so these rooms are 1 wall apart. I noticed when fitting her kitchen there are multiple cold mains coming in...

I have a vokera combi boiler, compact 29a around 2 years old now. The other night I noticed I could hear it running constantly; it sounds like fan or pump. Water and heating are still working fine, there is no error code as such, just a single line on the screen which apparently meals ‘off’...

Hi, I have a Vaillant IQ Combi boiler that is displaying F.55 which indicates a bad co sensor. What kind of problems will this cause running the boiler while I wait for the warranty tech to come out. Thanks

hello, hope someone can solve this! recent property purchase. towel rad has been in for 2 years or so i believe. been bled. where ever you set the valves it does not get hot. feed and valve on that side gets hot. rad gets warm after heating has been on for hours. combi boiler system. do also...

So I noticed today that our kitchen floor (concrete slab) was warm underfoot despite the heating not having been on. I checked the boiler (Ideal Combi logic 30) and it was in heat mode with the pilot light on but the radiators were stone cold. I’ve tried resetting it a few times but still it...

Hi, had a job where living room rad not getting hot. Flow pipe red hot return cold no heat in rad. Tried shutting all other rads off to get heat still the same and rad starts to get very little heat but still not returning. Replaced rad and valves still the same issue. Took off rad valve and...

Hi all I'm wondering if someone can help? We have recently had a valliant ecotec sustain combi boiler fitted with a valliant sensoroom pure thermostat and honeywell home 1 channel timer. Just to mention the sensoroom doesn't have a gateway fitted. The problem I am having is that I cannot...

We live in a top floor flat so all our water (except the kitchen cold) has to be pumped to have any pressure. We have a combi boiler and a small tank in the loft. The water pump has 4 connections (2 in and 2 out) - 1 from a cold in, 1 out to the boiler, 1 in from the tank and 1 out to the tank...

Hi I am new to the forum and I am after a bit of advice please regarding my combi boiler. I had my Worcester Greenstar replaced last year with a Viessmann, Vitodens 100-W 35kw. Everything with the boiler was ok to begin with but within a few months it started to make rapid fire “machine gun”...