How to mend ... Boiler Hot Temp

Saunier Duval F35E will not fire up?

boiler has pressure, will not fire up for heating and hot water. the green light flashes and the pressure/temp... [Read more]

Glowworm cx30i gas boiler?

My boiler comes on intermittently when the thermostat is turned down below zero degrees. It is all running fi... [Read more]

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

No hot water, intermittent when air temp drops?

My vaillant turbomax 282e has an intermittent fault on the hot water side. On demand the sequence commences co... [Read more]

help how to fix or sort radiator downstairs being cold?

Glowworm beatacom 30c.2 rads upstars get hot both sides fully.but one downstairs cold.drained systym fully.ref... [Read more]

my wired climapro isnt working properly?

My glowworm combi ultracom 24cxi hot water is working fine. The boiler fires up to full capacity but when the ... [Read more]

why wont the central heating side of the combi boiler fire up ?

I have a drayton/iflo rf603 rf digistat all the lights are working. The hot water side of the boiler is workin... [Read more]

why wont the central heating side of the combi boiler fire up ?

I have a drayton/iflo rf603 rf digistat all the lights are working. The hot water side of the boiler is workin... [Read more]

Vokera 29a compact?

Boiler fires up for hot water no problem but also fires up for heating for around an hour or until boiler reac... [Read more]

adjusting hot water output temp. halsted ace he 30?

is there a way of adjusting hot water max temp on my halsted ace he 30 combi boiler ? the manual is very vag... [Read more]

Home heating ?

My baxi combi Eco 80 tries to fire up you see the flame trying to light, it locks out after a couple of attemp... [Read more]

Got the pressure back up boiler starts temp rises very quickly then turns o?

Got the pressure back up boiler starts temp rises very quickly then turns off and temp drop[s as quickly NO ho... [Read more]

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

Arriston combi boiler hot water scalding temp light comes on?

high temp light comes on, boiler cuts out, click reset button works fine.. then cuts out few mins later. bar p... [Read more]

ultacom 38cxi hot water piping hot even on echo mode?

the water temp fed to the hot tap is too hot even though i have turned it down to echo 48 degree. boiler has n... [Read more]

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [Read more]

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

Vaillant 831 PCB issue?

The boiler is very intermittent when it comes to putting the Rads on, the hot water is fine and has no problem... [Read more]

Potterton combi performa 24 heating not switching off?

Room stat calls for heat and boiler fires up. yellow light comes on boiler. When room temp has been reached, f... [Read more]

feroli domicondems hc 26?

boiler works normally on hot water,but when reaches 48 degrees on heating shuts down tried to raise temp setti... [Read more]