Mend > Home Heating Systems

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Bath water not very hot?

Vokera Condensing Boiler Model UNICA HE28. Until recently the hot water ran hot in the bath but unless I turn... [Read more]

open valve to top up but nothing is happening?

open valve to top up but nothing is happening PLEASE HELP as i have not hot water or heating thanks j

raven combi boiler rsf820/20 no hot water or heating?

cant get the burner to kickin in summer or winter mode , when trying to light you get the pilot light on but i... [Read more]

greenstar 30 si?

Hi our greenstar 30si packed in the other day a plumber came out and fixed it when i was at work now ... [Read more]

hot water problems with my combi boiler?

m pilot light keeps going out when i turn on my hot water tap. the preasure is ok on the green in between the ... [Read more]

baxi combi?

when i demand hot water,a neon light appears saying low pressure or faulty pump

worchester 924 electronic?

when i put the hot tap on it knocks the boiler off, But when the heating is on the hot water works fine

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Vokera Linea, plenty hot water, no heating?

I am unable to turn on my heating, either by using the timed clock or manually. The hot water still works when... [Read more]

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burner light off - blue light flashes 5 times Greenstar 28i Junior WB?

Our boiler has no indicator burner light on (hence no heating/hot water)! I held down the maintenance button,... [Read more]

Worcester Heatslave Combi 15/19 boiler keeps cutting out?

Hi I'm hoping someone can help solve the mystery as to why my boiler keeps cutting out. The problems start... [Read more]

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sime transformer?

what is the sime transformer voltage for sime 102 super delux in manual it just says 240/24v is it dc or ac

water top up?

how can i top up water pressure to 2 bar in my remeha avanta boiler easily

ariston microgenus ch fault?

my ch has stopped working, the boiler fires up but the temperature goes up to 85 very quickly then the boiler ... [Read more]

change a jet in a riello burner?

how do i change a fuel jet in a riello burner for a grant combi 70v3 oil fired boiler

mums got a drippy boiler!?

when heating on for about 1 hour,water drips out,also radiators get very hot.

cant find filling loop?

were should the filling loop for topping up boiler be the boiler number is 77 ff serial number 53591

fix my boiler?

My sime 102 super deluxe boiler will not turn on and we have no hot water or central heating

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puma 80?

when turning on heating or hot water after a few seconds the pilot light goes out . how do i fix this problem

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Thermomanometer?

It is not in the green area anymore, it shows over "2" on the scale. How can i reduce it back to the green fie... [Read more]

What is my problem, Worcester Bosch Greenstar25si/30si?

The pressure has become unstable on my combi greenstar. Just about holds up when heating on. If I isolate the ... [Read more]