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Scantronix 9450 box stuck shut?

Scantronix 9450 house intruder alarm I cannot get into the box to change the battery. Is there a knack to it?
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Mend Heatslave 20/25

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We have 87 questions about mending 'heatslave 20/25'

How to mend Heatslave 20/25

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Mend me if wireless
2

Can anyone tell me if there is a compatible wireless thermostat for a worc?

Can anyone tell me if there is a compatible wireless thermostat for a worcester heatslave 20/25 boiler? Th... [Read more]
Mend heatslave control box
1

my heatslave 20/25 will not spark to ignight boiler?

I have changed the control box but broke photocell now boiler will not spark
Mend worcester heatslave boiler
16

Worcester Heatslave 20/25 Lockout Light on?

Hi my lockout light came on on my boiler, I had run out of fuel totally! I have filled my oil tank to the top ... [Read more]
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1

Water Leak on Heatslave boiler?

Worcester Heatslave 20/25 free standing boiler When heating is switched on pressure rises to in excess of 3 b... [Read more]
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1

Where is the reset button?

I have a Worcester Heatslave 20/25 fitted with a twin channel programme. The Lockout light has come on and de... [Read more]
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Worcester Heatslave 20/25 5 amp fuse blows?

My old Worcester oil boiler has started blowing the small 5 amp fast fuse.If I isolate the wiring going to the... [Read more]
Mend lockout worcester boiler

Lockout?

I have a Worcester Bosch heatslave 20/25, 7 years old, serviced every year. Boiler has stopped working, no ... [Read more]
Mend turning worcester boiler

Turning stop cock off when ch programme is on on holiday?

I have a Worcester Heatslave combi oil boiler 20/25 When I go away on holiday and leave just the programmed ce... [Read more]
Mend heating boiler combi

how do i replace the heating thermostat worcester 20/25?

Boiler thermostat for worcester 20/25 heatslave combi boiler has just broken. it goes round all the way and do... [Read more]
Mend run cold flow

Why does my Heatslave DHW run cold on low flow?

My Heatslave 20/25 has always had a tendency to stop delivering hot water when a tap is running slow. It is fi... [Read more]
Mend worcester turning starts

Worcester Heatslave 20/25 Combi-boiler?

Our Worcester heatslave 20/25 combi-boiler seems to have a mind of its own. The hot-water sometimes takes age... [Read more]
Mend l resolve problem
1

How can l resolve problem?

WORCESTER HEATSLAVE 20/25 0IL COMBI Water pressure drops and will not rise, pump starts to make noise. To k... [Read more]
Mend pressure overflow ch
1

worcester bosch heatslave 20/25 pressure high and overflow active?

when hw and or ch is selected pressure rises past 3 bar and the overflow is active. when turned off pressure ... [Read more]
Mend worcester problem boiler
1

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]
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boiler on but no hot water?

Worcester heatslave 20/25 rso oil boiler is on and Heating works but no hot water
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worcester heatslave 20/25 central heating but no hot water?

Hi, my central heating works fine, but no hot water. I had to turn the hot water dial to off, because when the... [Read more]
Mend worcester hot water
3

worcester heatslave 20/25 central heating but no hot water?

Hi, my central heating works fine, but no hot water. I had to turn the hot water dial to off, because when the... [Read more]
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2

worchester heatslave 20/25- water pressure in rads?

Can some one tell me how i can increse the water pressure in my radiator system. I cannot find the valve to do... [Read more]
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1

worcester heatslave 20/25 lock out ?

our boiler worcester 20/25 floor standing oil boiler is on lock out , fuel is in line and enough in tank . the... [Read more]
Mend worcester heating water
1

repairing a diverter valve worcester heatslave 20/25?

Is it possible to repair the accentuator/diverter valve on the heatslave 20/25, its giving heating and water t... [Read more]
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Scantronix 9450 box stuck shut?
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Miele Vacuum cleaner?
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"SECURE" on a yellow backround, and I cant ge?

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