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.

Gauge glass bottom drain size

ChrisJ
ChrisJ Member Posts: 16,316
Hi all,

What size is the thread in the bottom of residential gauge glasses that the cheesy drain screws in to?

Is it 1/8" NPT?

Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

Comments