BB heat ran with qest pipe

Timco

I am replacing the BB heaters on a HW system in a customer's basement apartment. It has 3-4 BB heaters in each room and I will be installing regular rads. Question is does anyone have an opinion about using the 'qest' pipes they have used vs. new copper to everything? This HW system just feeds straight through the rads, rather than 't' off the supply & return loops like mine.

Thanks,

Tim

Jeff Lawrence_24

If you are talking about qest polybuteleyne, I'd be against it. What diameter is the existing piping?

If it were up to me, I'd use either 5/8 or 3/4 pex-al-pex adn home run back to a manifold. Easier to balance that way.

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

Timco

3/4 grey pipe. In some areas just laid on the floor. I do not have a crimper for pex so I figure Cu is best.

T

hr

Not sure what you mean

by regular rads? You could consider a home run system allowing every room to be zoned. Depending on room loads you may be able to supply these "rads' with 1/2", or even smaller, pex.

I, too, would steer you to a PAP product for this installation.

hot rod

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

Timco

When you say PAP product, you mean VAnguard pex? (white tube, steel rings, brass fittings? That is what I use for water. Would that suffice for the radient?

I meant standard CI rads, as opposed to BB heaters. The rest of the house got steam rads with only the lower piping, with a bleeder valve tapped onto every cell!!!Looks like someone was sold what someone had sitting around. Not my baby! Looks terrible, especially when all the bleeders are not in perfect allignment!

T

Jeff Lawrence_24

PAP

PAP is shorthand for pex-aluminum-pex. I wouldn't use non-barrier tubing on CI radiator because they'd rust out rather quickly.

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

Timco

Is that why there is soo much rust in the system now? They used that qest pex pipe? (the grey stuff with the copper band crimps)