Dennis, put in an F&T trap on the outlet of the heater. No check valve, no vent. That should make it work fine with a condensate tank. BTW, I happen to have a Hoffman tank and pump that had about 4 years of use. It was removed when I put in the new boiler and went to a gravity return. It works great. It's a Hoffman WC-6-20B. It has a cast iron tank. I'd take $400 obo.
Both Henry Gifford and The Steam Whisperer have written on the possibilities of downsizing steam systems. Henry Gifford focused on using inlet orifices in two-pipe radiators. He pointed out that sinc… (View Post)
Boiler pressure is a very complex subject. But, it cannot simply be reduced to "Pressure is bad." Everything that I understood from my prior experience with pressure steam went out the wind… (View Post)
I cannot answer as to what pressure is required for the perimeter heat on the lower floor of the building in order for it to operate properly. I do know that control valves used on steam systems are … (View Post)