How to mend ... Water Hot System Hw

new valve and pump fitted heating fine no hot water?

Just had an engineer to fit a new c/h pump and 3 way honeywell v4073a motorised mid position valve to a combi ... [Read more]

no heating or hot water ?

I think it is a pumped gravity system and there is no hw or ch, boiler fires up fine, all rads have been bled ... [Read more]

How can i fix my valliant combi?

My valliant combi boiler keeps pouring hot water out of its outside overflow pipe, yet the heating and hw stil... [Read more]

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

Baxi 105E Patchy hot water?

Our CH works fine, but the HW comes on runs for a few minutes and then cuts off for a few seconds then comes o... [Read more]

Ravenheat 85 cycling on/off?

My ravenheat 85 a works fine when asking for HW however when the CH is demanded the burner will ignite, burn ... [Read more]

changing sink with unvented HW System?

I want to change a sink. Old sink was not replaced at the time of installation of unvented hot water system. ... [Read more]

Spring pressure valve on an open vented system?

I have an open vented system with Baxi bermuda inset 2 back boiler (10 years old), indirect water cylinder (gr... [Read more]

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]

Can I run my boiler without the CH pump for Hot Water only operation?

My heating system comprises new(ish) boiler (Potterton Suprima 100), hot water cylinder (with cylinder jacket)... [Read more]

Warm water, no HW pilot, but CH works?

I turned off the timers for a weekend whilst away, now the hot water is warm but wont get hot, and I think it'... [Read more]

Potterton Profile cycles every 4-5 minutes?

My Potterton Profile 50e when started from cold works normally for about 15 minutes. Then it starts cycling 3 ... [Read more]

vokera mynute 28se pressure keeps dropping?

got vokera 28se boiler and the pressure keeps dropping ,keep on topping up system .but shouldn't have too ,fro... [Read more]

Boiler fires when it shouldn't?

Got a Performa 28 combi. I've noticed that sometimes when no heat or hot water are called, the boiler fires up... [Read more]

hw only works when ch is on?

We have a Potterton EP2000 contoller but that seems ok. I think I've isolated the fault to the diverter valve... [Read more]

Baxi 105e. Central Heating working, no hot water through taps !?

Hi everyone. I've got a 3 year old Baxi Combi 105e, that, for some reason last night, got low water pressure a... [Read more]

Ideal Classic LX LXFF 260 problem?

How can I tell if the system is gravity fed or controlled pump. Just moved into a new house (new to us) & info... [Read more]

Water in cylinder not getting hot?

Similar question to one already posted. My system is vented indirect, and although the radiators are getting h... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

Baxi Bahama 100 CH not working?

We have so far spent nearly £1000 over the last 2 years on our Baxi Bahama 100 boiler, the latest problem is ... [Read more]