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i need a new mother board for my flamerite isis fire do you know where i can purchase one

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Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

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Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]

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Mend Grundfos 15/50

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We have 29 questions about mending 'grundfos 15/50' in category Heating, Home Heating Systems

How to mend Grundfos 15/50

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Mend Heating, Home Heating Systems

Problem refilling CH system after fitting Grundfos 15-50 130 selectric pum?

I have had to drain my CH system to fit a new radiator. Problem occurs when refilling.It only takes about 25% ... [Read more]

Mend pump heating grundfos

grunfos selectric ups 15-50?

sometimes when it starts up its noisy

Mend pump ch circulating

grundfos 15/50 pump ?

i have 2 of these pumps fitted to a gledhill biolermate11 c/h h/w the h/w pump is not circulating hot water ... [Read more]

Mend water gravity fed

is my c/heating pump working?

i live in a bungalow my water is getting hot ok (gravity fed?) myradiators do not get warm how do i check t... [Read more]

Mend selectric pump heating

my grindscs selectric ups 15-50 makes a very loud noise do i need new one ?

my grindscs selectric ups 15-50 pump works but makes a very loud noise when heating system on to you think i n... [Read more]

Mend central heating boiler grundfos

grundfos selectric ups 15-50?

it was all working fine until this morning, boiler is supplying plenty of hot water but rads are cold. on the ... [Read more]

Mend heating system central heating pump pump repair

Grundfos Selectric UPS 15/50 Central Heating Pump started whinning?

My above pump, circa 12 years old, has started making a high pitched whinning noise from time to time. I think... [Read more]

Mend noisy pump loud

Grundfos Selectric 15-50 - noisy when on, intermittent banging?

For the last few weeks our pump has been getting noisy, now we get loud vibration/banging noises that are some... [Read more]

Mend grundfos ups pump

Grundfos Selectric UPS 15-50 pump?

We have recently moved house and have inherited this pump. It never seems to stop running, day or night, even ... [Read more]

Mend reduce noise noisy

How can reduce the noise made by my Grundfos ups 15-50 pump?

My Grundfos UPS 15-50 pump has be come very noisy at times. Is there an easy way of stopping the extra vibrati... [Read more]

Mend pump position central water

Grundfos Selectric UPS 15-50 pump?

The pump is constantly in the on position, even when the central heating and the water systems are off. Bef... [Read more]

Mend Heating, Home Heating Systems

My Grundfos 15/50 rotates but?

...doesn't shift any water. The 3 position switch works and the rotor spins faster and slower as expected, bu... [Read more]

Mend valves top help

which way do the valves go?

which way do the valves on top and bottom go? anti or clock wise on the grundfos 15-50 selectric? someone help... [Read more]

Mend central heating not working downstairs

Central heating not working downstairs?

My central heating radiators are hot upstairs and cold downstairs, except the kitchen rad which is next to the... [Read more]

Mend switch pump control

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

Mend radiators pump grundfos

Prima F60?

Have just moved into a new house and replaced the Rads for doubles as old ones wher 1970ish. Hot water getting... [Read more]

Mend grundfos selectric ups pump

Grundfos Selectric UPS 15-50 pump?

The pump has been 'jamming' for the central heating for a while, necessitating a good whack to get it started,... [Read more]

Mend up hot doesnt ch

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

Mend second open stopped

Radiators suddenly gone cold?

This is my second question about this, sorry. I have 8 radiators in my house, two of which are open. Very re... [Read more]

Mend humming loud noise

Vokera Excel 80sp humming noise-pump or fan?

I have a Vokera Excel 80sp and it's making a loud low humming noise when it's used for heating and hot water.I... [Read more]

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Mend pump tips problem

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Mend problem after ch plan

Problem after changing ch pump on a grundfos pump plan?

Mend air heating noise

how to air out of the central heating pump?

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Mend Heating, Home Heating Systems

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grundfos MK 2 15/50 x 18 playing me for a fool?

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