Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

McDonnell Miller 69/369

STEAM DOCTOR
STEAM DOCTOR Member Posts: 2,155
Hi. I have a customer with an old 69/369 LWCO (not sure which) that needs replacing. Is there any reason that I can't remove the old LWCO, put in a 2.5"-3/4" bushing and install a modern, probe LWCO? Thanks.