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Mend Vaillant Home Heating Systems

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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]
Mend Heating, Home Heating Systems
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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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Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
Mend Heating, Home Heating Systems

Siemens transmitter error?

Rdj10rf stuck on start screen after putting in new batteries
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Kohlangaz Gosford HE fire?

My Kohlangaz Gosforth HE gas fire will not ignite, My hand set controller is displaying E56 , it will also not... [Read more]
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Mend Vaillant Wiring Boiler Diagram

Wiring for vaillant combi boiler 837?

Can anyone help me with wiring diagram for combi boiler 837 I am renewing my old system. Many thanks

JayJay
March 2009
VaillantHeating, Home Heating SystemsWiring Boiler Diagram
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Vaillant 242 E-HVaillant ECO MAX 824/2EVaillant ecotec 837Vaillant ecoTEC plus 624Vaillant ecotec plus 824Vaillant ecoTEC pro 28 - F29Vaillant ecoTEC+ 824r1Vaillant GC 4704413Vaillant ThermocompactVaillant Turbomax 24Vaillant VCW Sine TCWVaillant VUW 242

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