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Gary, Handyman
Category: Appliance
Satisfied Customers: 246
Experience:  25 yrs experiance in home related repairs..This includes carpentry, electrical, plumbing, appliances
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I have a vaillant ecotec plus 630 boiler with an unvented hot

Customer Question

I have a vaillant ecotec plus 630 boiler with an unvented hot water cylinder.

How do I connect a Honeywell cm707 room state to control the boiler?
do you have a wiring diagram showing connections from the stat to the boiler?
Submitted: 4 years ago.
Category: Appliance
Expert:  Gary replied 4 years ago.

Gary :

Hi and thank you for using Just Answer. Below is a basic diagram for your style of thermostat to operate a boiler. If you have any questions feel free to ask. Gary

Expert:  Gary replied 4 years ago.

Attachment: 2014-02-27_012609_boiler_diagram.docx


I hope this helps