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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

Pages 21
Mend Heating, Home Heating Systems
1

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
2

grunfos selectric ups 15-50?

sometimes when it starts up its noisy
Mend pump ch circulating
2

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]
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2

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
1

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
4

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
2

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]
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2

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]
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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
2

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
2

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
2

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
1

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
14

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
9

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
2

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
2

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]
Pages 21

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Problem after changing ch pump on a grundfos pump plan?
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how to air out of the central heating pump?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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