Is it what I think it is

Grey and says Thermoguard tubing. It was in the whole house built in 1995. Is it what I think it is

Yes, I believe you have a winner! :mrgreen:

It is like you are sitting beside of me Larry.

Only if you think it’s PB Gary :mrgreen:

Regards

Gerry

http://www.techhomestudy.com/polybutylene_pipes.htm

Thanks for the link.