The part on the left is the main transformer, this transformer provides 24 volt power to the module, if this fails nothing will work. But again don't assume.
Please post all questions or comments on the plumbers talk forum.
The part on the left is the main transformer, this transformer provides 24 volt power to the module, if this fails nothing will work. But again don't assume.
Please post all questions or comments on the plumbers talk forum.