How to mend ... Valve System Valves

The rads are still not heating up after suggested fix work?

I asked the question of why the downstairs rads were not heating up and i was advised (by peccavi) to turn off... [Read more]

old baxi rs, need to know how to refil system with water?

i have an old rs boiler which runs fine, the other day we had a leak from the kitchen radiator ,so the wife tu... [Read more]

temperature control valve is leaking how do i replace it?

my central heating is leaking and i want to replace the radiator valves how do i drain the system it is old an... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

How can I fix a thermostatic radiator valve?

I have an oil fired central heating system. All my radiators are very hot apart from the one in the living ro... [Read more]

no heating?

i have a domestic gravity fed pumped system with two mot. valves. the HW system works fine when controller dem... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

Servicing a Danfoss Thermostatic Radiator Valve?

A couple of my Danfoss radiator valves have stopped working and are not letting the warm water through. The Br... [Read more]

How do I get an air lock out of my heating system?

I've just drained my system to fit a new radiator. Water has stopped coming out of the drain valve but the hea... [Read more]

Worcester heatslave 9.24 - can't re-pressurise!?

Hi - just moved into a new house, with functioning boiler (worcester heatslave 9.24). Bled the radiators (lot... [Read more]

Water hammering noise?

have a problem with Dayton thermostatic radiator valves at times when room temp is near room thermostat set t... [Read more]

Hot water cutting out?

Hi, I have a vaillant 837E turbomax and from time to time the water will not heat on opening of a tap. Wh... [Read more]

Jaguar Boiler - F0 flashing after I bled the radiator. Loss of pressure!?

Hello all. My wife is currently not speaking to me, so I hope you can help. I have read through the answer... [Read more]

IDEAL CLASSIC BOILER ONLY STAYS ON FOR 2 MINUTES?

My Ideal Classic FF280 will only stay on for 2 minutes then cuts out. I have recently been having problems ... [Read more]

dose the baxi bahama 100 flow switch have/need a spring inside?

is there suposed to be a small soft spring in the flow switch of a baxi bahama? my radiators are warm only no... [Read more]

Can I change a radiator valve without draining the system?

Hi, I have an old gravity hot water pumped heating system, the boiler is a reliable, but expensive, Vulcan Con... [Read more]

how do i wire in line valves for glow worm boilers?

i need to wire two danfoss in line motorised valves (one for heating and one for hot water) off my glow worm 3... [Read more]

Zone valve?

We have a system using 2 zone valves. If we bypass one zone valve will that make the boiler continually work? ... [Read more]

Baxi 105e - Radiators heat up when dhw flowing?

When hot water (dhw) is flowing then the central heating system heats up as well. The Boiler is set to dhw on... [Read more]

switchmaster mid valves?

how do i re wire the old switch master valve for a honeywell model. the old switchmaster valve has 6 wires and... [Read more]