Welcome! Here are the website rules, as well as some tips for using this forum.
If you've found help here, check back in to let us know how everything worked out.
It's a great way to thank those who helped you.
Replacing LWCO & Sight Glass
Last heating season, when doing my weekly LWCO flush, the LWCO (McDonnell Miller 67) started having an issue where it wouldn't shut off the auto-feeder. If I whacked the side of the switch, it would stop.
I'm looking to replace it, but I don't know if I need the millivolt model or just the regular 67. I've attached a few pictures - can someone help me identify what model I need? There is a transformer on the wall.
Also, the drain valve from the sight glass fell apart when I tried to turn it - so I'm looking to replace the sight glass. Not sure where to start with this - I know you can buy kits - does anyone have any recommendations?