How to mend ... 3 Way Valves

my tenants potterton prima needs rebooting every morning?

Please please can anyone help. We've got a tenanted property (only 13 years old) with a potterton prima system... [Read more]

Noisy, 'bouncing' TRVs!?

I have TRVs fitted to most of my radiators and all of them are subject to a vibrating noise at times. I stop t... [Read more]

connection of 2 port valve?

hello, i have just had installed an ecotec plus 630 but can't seem to get boiler interlock with the 2 x 2 port... [Read more]

How can I upgrade my Worcester 350 heater control?

We have a Worcester 350 combi-boiler with a UT2 single-channel time switch to control the central heating. Tem... [Read more]

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]

How can I bleed radiators that don't have bleeder valves on them?

I am having a problem with 4 radiators between 2 bathrooms. None of the radiators have any bleed valves on the... [Read more]

How can I bleed radiators that don't have bleeder valves on them?

I am having a problem with 4 radiators between 2 bathrooms. None of the radiators have any bleed valves on the... [Read more]

danfoss rad valve about 10 years old?

I have Danfoss rad valves fitted to 10 seperate rads,one has recently stuck & will not let the rad warm up.all... [Read more]

Green light going on and off?

Model Greenstar 30CDi Boiler won't come on and stay on in the morning. Engineers thought it was an air blocka... [Read more]

I Have a Britony combi SE boiler I have had to remove and refit a radiator ?

I Have a Britony combi SE Boiler and have removed a refitted a radiator i have opend all the valves on the rad... [Read more]

how can i fix a cold radiator?

my room radiator is cold even the pipes feeding it help . i took the radiator off and flushed it . i have chan... [Read more]

which side are flow and return on my boiler?

which side is sides are my flow and return valves

2 rads wont heat, i have diagnosed everything i can think of?

i have 2 radiators that wont heat at all, they are the 2 furthest from the boiler, both with relatively new tr... [Read more]

worcester 24i heating problem?

have had boiler for a few years and alway been plagued with air in boiler,recently replace pressure releaf and... [Read more]

ariston boilers ta connection point ?

hi there i have a ariston he boiler that i have just fitted , my gas fitter cant do the electrics , i have wir... [Read more]

how can i fix my rads?

i have hattersley thermostatic radiator valves i have read the other peoples comments about getting the collar... [Read more]

how to fill the the boiler with water when the pressure has dropped?

I have opened the taps and valves and my system is not fillinf with water? can any one help?

ok people let me know?

i have a combi boiler and the central htging has justed been switched on i have five rads - four of them are... [Read more]

3 way valves?

can I swap a switchmaster for a danfoss 3 way mid position valve and what would the wiring arrangements be. Ch... [Read more]

Diverter valves?

C/H & H/w. What a set up!!!!. Emerging from the floor 22mm pipe which carries the pump. Continuing the 22mm... [Read more]