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Wow, Fitter30, I'm impressed that you must have downloaded the Boiler Manual and referred to the Startup section to ask these questions - Thank you! First, I don't know the answers, except that the flue and air intake are concentric PVC pipes (exposer?) as none of the check-list boxes have been...

The fault code that flashes with a red backlight on the display is A06 and sometimes A01. Included are two pages from my WM "Boiler Manual". We've had the tech who installed the boiler (perhaps, after seeing the manual again, I should have posted on the 'Boiler' forum) out two times. Both times...

The connector is on the front panel of the controller, under a rubber flap, just under two buttons between between the digital display and the analog temperature/pressure meter. There is NO WAY that they wired something externally on the front panel to the guts inside. There are wires for power...

There is an electronic port connector on the control panel, WM part #640-000-003 of this unit (which I believe is a variant of a Honeywell control.) I have looked everywhere I can think of for information about this port which I think can be used to read-out the fault code history, but I can't...

I’m brand new to these forums although I’ve visited the site multiple times. Could anyone recommend a sewage basin or similar in which I could install an effluent filter to put in line with the outlet pipe of my septic tank to my leach field? It would need two 4”ports on opposite sides, be deep...