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When I set it to be on via phone, light A comes on (telling it to be on), but light B won’t come on, so the boiler doesn’t start. I either need to set A on and off several times via phone, or turn it off and on again via switch (C).
When I set the water to be on, it works instead, and green...
the pressure of my boiler looks unstable
After i re-pressurize to 1.5 bar, using tap is ok without problem. but when turn on the central heating, the pressure rises over 2 and the error code 117 showing water pressure high
After i did the bleeding and re-pressurize to 1.3 bar, the heating is...
- Question
I have a Glowworm Ultimate 35C boiler. It shuts off at its max temp of 60C when heating radiators and the pump carries on running pumping heat round system but it seems to let temperature drop at least 30 degrees before burner comes back in by which time radiator temperature has dropped...
Hi !
Can anyone help with what I should set my storage radiator when I am away from mid December to early January please?
I live in Bristol and have just dried out my small rented flat with a dehumidifier.
I have a large radiator with the label NC3300 Auto Series C and the flat was built early /...
Hello all,
I live in a flat that has communal heating through a single pipe system. I recently had replaced a deco flat panel (waffle) radiator with a more mundane type 22 panel radiator. The problem is that the new radiator sort of worked in the beginning, but it does not emit any heat now...
I reckon if I did a survey of 100 heating engineers, asking what would they recommend for heating a granny annexe being built onto the side of my house, in place of the garage, most would give me a suggestion to put in a) an extension to the existing boiler rad circuit & electric water heaters...
We have an all Vaillant setup - an EcoTEC Plus 637 system boiler plus wired VR720 and VR92 SensoCOMFORT controller, driving two CH zones plus DHW. It all works, but unfortunately we have found that the room stats are poorly located, and so the level of control is not what it should be. We had...
Some advice needed please re a 3 year old combi gas boiler. The hot water works but no heating. A gas engineer was already booked to do the annual safety check before the fault developed. He said the boiler is ok with no fault. He said there must be a leak under the floor boards causing hot...
Hi,
I have Worcester combi boiler which has developed a 'fault' recently. When I switch the heating on, the fire in boiler starts for a second or two and then goes off. After another few seconds it starts again and then stays on. This happens around 8 out of 10 times. I had engineer having a...
WB 4000 installed a few months back, just balanced the 7 rads - managed to get around 15 degrees delta across most rads. Not quite the 20 degrees but still. Flow set to 60 degrees for now.
1.Obviously I want to ensure the return temperature into the boiler is below the 55 ish degrees needed for...
Wb 4000 recently installed, and just balanced the rads with around 16 degree delta across most rads.
I'm trying to make sure that the return temperature to the boiler are less than 55 degrees to ensure condensing is occurring.
But in the service menu it only shows the primary heat exchanger...
Hello All
My system - Xclusive24 with OpenTherm Honewell EvoHome controls
Problem:- Some of the Upstairs radiators getting warm during the night - very cold outside - CH Off pump not running - Smart meter showing Approx £1 usage over 7hrs - Not good in these Energy Crisis Times - any...
What pipework changes are needed to replace a conventional open vented gravity boiler to a combi boiler ? Would toilet flush/cisterns need replacing ?
I have flushed a CH system removed each Rad and removed any residue of black sludge filled the system up and treated with inhibitor. However after 2 days the water in the Overhead tank is gone red. The Ground floor rads are piping hot and the upstairs are Luke warm bleed the rads still no joy...
Our boiler has started making a noise on start up and when it kicks in and out engineer says it’s an ignition coil bracket and nothing to worry about but it sometimes gets worse and it went on for few seconds todays (5) like it was stuck and then freed itself and might have been coincidence but...
I live in a very cold 3 bed detacthed house. We have a Baxi 400 heat only boiler and use Tado smart thermostat and controler to replace the old honeywell programmer. Pump is a CirculatingPumps CP50. The boiler flow temp is set at 75c and the thermistat is at 21c but it is not warm enough and...
Does anyone know of a weather compensation unit that can be fitted to a cylinder? I have an Ideal Logic Max H24 which heats a thermal store. The boiler can take an Ideal weather compensation unit to raise the target flow temperature as the outside temperature drops, but the store temperature...
I am looking to replace my existing Vaillant heat-only boiler with a new Vaillant ecotec plus 630 system boiler (30kW). I have a megaflo hot-water cylinder, a central heating system (serving 21 radiators) and an orangery built last year (6m x 4m) with underfloor heating. Through running some...
Last May had a new Greenstar 4000 boiler fitted and only recently started using the heating. Once the set room temperature is reached the boiler modulates (presumably) and stays running for very long periods (many hours) but the circulating water is only luke warm (about 35 degrees) Any heating...
Hi everyone,
Just wanted to share my experience with "upgrading" an S plan setup to Opentherm and Vaillant Control Center (VR66). There are a few threads on a few different forums but I wanted to share a full write-up with all the steps needed, benefits and costs.
Overall, I fully recommend...
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