worcester 28i junior

Hey folks looking for a bit of confirmation. I'm about to install a nest heatlink in my mother's house her boiler is up stairs so I'm trying to make life a bit easier by installing a nest thermostat. I'm intending on using 4 core flex cable can someone confirm If what I'm thinking is correct...

I need some help with a Worcester Junior 28i gas boiler and I'm hoping someone here may have came across this fault before ... I have checked the following: - 240v at supply connections - All internal push on connections are correctly fitted to the PCB board - The transformer is giving the...

we have the green star i28 junior combi boiler, when we use tap water or shower the water temp is very hot but flow ok but after some time its gets cold and then hot water start again, it is almost like it runs for a min and then takes 15 second break. I want to do two things, 1) decrease the...

Hi all, I currently have a 13 year old Worcester Bosch Greenstar 28i Junior Condensing Boiler installed. It's unfortunately developed a leak on the right hand side as you face it, but it's not losing any pressure and we've still got heating and hot water. I went on Checkatrade and found a...

Hi there, Link to Manual: https://www.worcester-bosch.co.uk/support/literature/download/release/6720644741/12637 Not a plumber, just an infuriated owner of the subject boiler. I had a oil to gas conversion done and this boiler installed late 2013 by what I perceived to be a competent...

Hi all. I am wanting to swap out some old radiator valves for some new TRV ones. I currently have the radiator off the wall, and the current valves closed off. I just want to run through the steps that I need to take in order to be able to remove the old valves, put on the new ones, and hook...

Hi guys, First post so be kind! My boiler is a Worcester Greenstar 28i Junior. The problem is as the title says, Central Heating is fully working but come to turn the taps on and no hot water. With the CH off, the DHW starts of warmish and the goes ice cold. with CH on, DHW comes out hotter...

Recently purchased house with Greenstar 28i boiler - uncertain of the installation date. House had been unoccupied for ~ 10 months, but the boiler was serviced in Jan 2017 and was given the all clear. At first the heating and water were fine. A few weeks in, the heating is still fine, but we...

Hey guys, I'm stuck with an issue regarding the level of pressure that my boiler has. I've been looking around to see how I could fix this issue, and it came down to me needing a filling loop. However, whilst being confused and frustrated for a straight hour of not knowing what I had to do, it...

My boiler developed a leak a few days back, and after doing some research on google I realized it was leaking from the flow manifold, which is apparently quite a common problem on this boiler. The manifold itself was covered in a white crud, so knew it could do with changing. Anyways I managed...

Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out. If the taps is then closed and re opens the same process happens. Hot for a short while than...

Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out and the hot water does not come back on. If the taps is then closed and re opens the same...

Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out. If the taps is then closed and re opens the same process happens. Hot for a short while than...

Hey guys, Having issues with a worcester 28i junior combi. Heating is fine but when the hot water is in use it stays hot for around 30 seconds to a minute than runs cold. The boiler does not lock out. If the taps is then closed and re opens the same process happens. Hot for a short while than...

Dear forum members, I have an unknown leakage in the central heating system - boiler pressure drops from 1.5 to 0.8 bar every day and I need to refill the boiler (Worcester 28i junior) with water daily. There is a plastic key that needs to be inserted and withdrawn every time to let water in...