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I have been working through some control issues on some older lochinvar cw series boilers. Most of the problems are related to intermittent air switch safeties (their are 5 on each,wired in series) I am considering mounting some led indicators on the front of the boiler that would show the status of the switches as well as the gas valve and boiler stages. Has anyone worked with a product like this one? http://www.industrialcontroldirect.com/File/ICD-LED-Indicators.pdf
Any words of wisdom on this approach?
The air switches have been frustrating as the usually work fine with the cabinet door off.
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