How to mend ... Sime Super 90 Water

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]

super 90 plus will not light ?

i have just replaced the hot water bypass diaphram on my sime super 90 plus combi boiler which is activating o... [Read more]

super sime 90?

water not heating up to full temperature almost lukewarm radiators ok

SIME SUPER 90 - Diverter Valve?

Hello all, I have recently inherited a SIME SUPER 90 combination boiler in a house I moved into. The boile... [Read more]

sime super 90?

how do you operate a sime super 90. just moved into a house with one...no operating instruction. can only get ... [Read more]

leaking automatic air vent?

I have water leaking from the automatic air vent of my combi boiler (sime super 90)which stops when I tighten ... [Read more]

Sime super 90 Fan?

Have replaced the diaphram on the 3 way valve, and this seems to be OK. When I turn the hot water tap on, sho... [Read more]

Sime super 90. No hot water. Won't fire up?

hi, The central heating (radiators) is fine although, for quite a while now the switch clicks on and off a f... [Read more]

Sime super 90 combi boiler, low water pressure from dhw taps?

I have just replaced the diaphram in the Diverter valve, but still have very low pressure and no running water... [Read more]

pressurising a SIME Super 90 boiler?

I have just switched on the boiler for the first time. I have bled one of the top two radiators until the air ... [Read more]

Sime Super 90 - heating comes on when hot water truned on?

My Sime super 90 has these problems: * always heats the central heating when the hot tap is turned on *... [Read more]

Over-pressurised combi boiler system - help!?

Trying to re-pressurise my Sime Super 90 Plus, I opened filling loop valve and let water in to 1 bar pressure.... [Read more]

Sime super 90 no hot water?

Hi ...Central heating works but no hot water. Turn hot water tap and water is flowing but cold. Advice from ... [Read more]

I have a SIME 90 Super boiler, Hot water not working?

When I turn on a hot water tap the boiler does not fire up, but if I turn on the central heating the boiler fi... [Read more]

How can I repressurise our SIME Super 90 Mk II?

We need to repressurise our SIME Super 90 Mk II as our central heating system will not fire up. Our hot water ... [Read more]

I have a fault on my sime super 90 plus combi manufactured 1996?

when opening the hot water tap to demand hot water, I have to turn the pressure up a great deal more than I us... [Read more]

why is the hot water never as hot as the gauge says it is, sime super 90?

the hot water from the bath taps is barely luke warm but the temp gauge says its at 80 c. what do i need to do... [Read more]

I have a sime super 90 boiler and have no hot water?

I Have very little hot water up stairs. I have a sime super 90 boiler and have had it for 10 years it has work... [Read more]

sime super 90 plus boiler intermittent hot water?

sime seper 90 plus boiler will only produce hot water intermittently. heating works ok. can you advise a fix f... [Read more]

sime super 90 how to get hot water with out the rads been on?

if i have got the rads on the hot water is fine as soon as you turn the rads off the hot water goes cold it do... [Read more]