Steam Question

Henry_3

Well-- I "fired up" the ReDesigned Dry System to the Now Wet System BUT I am concerned because the Radiators and the main Pipe took a MUCH LONGER TIME to heat than with the usual Dry Return System. Is Something Wrong here?? My radiator valves never even started to vent. I waited about ten minutes and decided to shut it down. Besides the solder joint at the beginning of the condensate branch pipe {just off the main heat pipe sprouted a leak. Is there any way I can braze my copper 1 1/4 fitting to the original black pipe stub using my turbo torch and maybe some mapp gas ???

Dale_2

Traditional steam versus Vapor

What is the difference between a traditional steam and a vapor steam system? What is the role of the Vaporstat?

DanW

where's the vent?

Sounds like you didn't vent what remains of your dry return, so all the air is being pushed through the rads. You need a vent where the dry return drops into the wet one.

I'd say you need a pipe threaded copper fitting to make that transition.

DanW

Vapor systems let you run at much lower pressure. The Vaporstat is just a more sensitive pressuretrol with lower cutouts.

Jamie Hall

vents on vapor

there are usually trapping and venting differences -- vapor systems have one big main vent ('air eliminator') on the dry return near the boiler; no vents on radiators -- and there is a trap or some other contraption (emphasis on 'contraption'!) at the radiator outlet to let air and condensate out, but not steam.