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We have 37 questions about mending 'bosch 400'

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Mend Heating, Home Heating Systems

Worcester bosch Highflow 400 rsf?

The fan fails to start causing lock out but a push will do it whence it works for a variable time (days weeks ... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 400 bf?

keeps blowing fuse on circuit board , when it calls for heat, every thing else seems to be working ok checked ... [Read more]
Mend Heating, Home Heating Systems

Domestic hot water very hot ?

Worcester bosch high flow 400 - hot water stat on the boiler is sett low but the water from the taps is extrem... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Highflow 400 - hot water not heating think pilot light off?

Can anyone help with this problem....There's a large expansion vessel in the way so can't see the pilot light ... [Read more]
Mend Heating, Home Heating Systems

hot water not coming on?

Worcester Bosch high flow 400 boiler hot water failing to come on
Mend Household Appliances, Tumble Dryers

start push button on t/dryer will not start machine?

Bosch WTE6920GB01 tumble dryer machine. The start button has become less sensitive and now will not start mach... [Read more]
Mend Heating, Home Heating Systems

My Worcester Bosch highflow 400 will not re ignite?

My boiler will not ignite as describe in the manual by turning off the power, then turning on and turning the ... [Read more]
Mend Heating, Home Heating Systems

How do i pressurise a Worcester Bosch 400?

I have lost pressure in my Worcester Bosch Highflow 400 RSF. All possible solutions talk of either using a key... [Read more]
Mend Heating, Home Heating Systems

worchester bosch highflow 400?

my boiler will heat my water but will not heat my central heating why thanks
Mend D.I.Y, Plumbing

worchester bosch highflow 400?

my boiler will heat my hot water but will not heat my central heating why thanks
Mend Heating, Home Heating Systems

Worcester Bosch Highflow 400 BF boiler problem?

Hi, my boiler produces hot water on demand OK but refuses to turn off the central heating. Even with both heat... [Read more]
Mend Heating, Home Heating Systems

I have no control over the hot water temperture from my high flow 400 boile?

Worcester Bosch changed the heat exchanger in my high flow 400 boiler and did some upgrades since then I have ... [Read more]
Mend Vehicles, Cars

dti setting?

rover 400 2000cc diesel turbo , bosch diesel pump DTI settings
Mend Heating, Home Heating Systems

worcester bosch hi flow 400?

Why does the hot water continually fluctuate between hot and luke warm? The fault is accompanied by what soun... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Highflow 400 - no hot water?

Please would you advise me on the following. We have a WB highflow 400 combi boiler. We are noticing that in t... [Read more]
Mend Heating, Home Heating Systems

how to fit a room thermostat?

Could you draw a diagram of the wiring to the stat and from the stat to the boiler, showing what size cable to... [Read more]
Mend Heating, Home Heating Systems

Bosch Worcester Highflow 400 no heating no hot water?

We've had an ongoing deries of problems which Brit.Gas are struggling with... 31 Dec: no heating/hot water - ... [Read more]
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