Recent: Scantronix 9450 box stuck shut?

Mend Honeywell ST6400 Home Heating Systems

Mend Heating, Home Heating Systems
Find out how to mend it for free.
Ask Question
Mend Heating, Home Heating Systems
Free repair help for Honeywell ST6400 home heating systems

Mend home heating systems ...

Mend 30 boiler fire flashing
2

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
1

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]
Mend Heating, Home Heating Systems
1

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
Mend gas ignite hand

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]
Mend Home Heating Systems

Mend > Home Heating Systems

Mend Honeywell ST6400 Hot Water Fine Heating Tank

no hot water?

i have no hot water from my taps, the radiators are fine its a honeywell st 6400 its not heating the water in tank

martin
February 2009
Honeywell ST6400Heating, Home Heating SystemsHot Water Fine Heating Tank
Possible diverter valve problem.

Tony S
February 2009
Mend Heating, Home Heating Systems
Free repair help for Honeywell ST6400 home heating systems
Mend plus showing w

channel plus xl model h37 timer showing 14.76 and none of the buttons are w?
Mend heating control hot

The light on the heating is fading in and out on my lp112 control panel?
Mend remote timer work

Remote timer bps242rf how does it work ??? ?
Mend turn system reset

is there a way to just simply turn the temperature up?
Mend just new thermostat

Can you get just a new RDJ10RF thermostat or does it have to be the set?
Mend Heating, Home Heating Systems

how often do we change the3032 battery in a digistat +2rf?
Mend rf thermostat receiver

How do I reprogram my ideal bolier rf thermostat receiver?
Mend replace hard one

Replace a wireless termostat with a hard wired one?
Mend y mid valve fault

Y Plan - Mid Position Valve 'fault'?
Mend remove front broken

How to remove the front cover of my Digistat 2RF receiver?
Mend boss therm heating

boss therm not working ?
Mend Heating, Home Heating Systems

can i fix it honeywell st1000 ?

Other models...

Honeywell 3 port valveHoneywell BPS242RFHoneywell CM41Honeywell CM61ngHoneywell DT200Honeywell IsarHoneywell L641A1005Honeywell LP112Honeywell RBW9Honeywell RDH10RFHoneywell RDJ10RFHoneywell RF2

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.

Related Categories

Mend Convector Heaters
Convector Heaters
Mend Fan Heaters
Fan Heaters
Mend Oil Filled Radiators
Oil Filled Radiators

Mend Heating, Home Heating Systems
Free repair help for Honeywell ST6400 home heating systems

Try fixfault.com to fix home heating systems.