Best Of
Re: Vintage Burnham Aquastat
Yes buy the adjustable diff model , it will just mount up to your system……
Make sure the bulb is inserted to the bottom of the ''well…
Big Ed_4
Re: DIRECTION OF STEAM TRAVEL
That's the most unique boiler piping I've seen in a long time…
I think he used every fitting he had on the truck.
Re: Wiring relay to cut heat call during DHW (combi boiler)
If the DHW PRI contacts do not stay closed for the duration of the DHW demand, then you will need to install an After market flow switch that will do the job without depending on the Navien circuitry
Re: 2 Stage Boiler? Worth considering?
of course with a mod con it really wouldn’t matter if the load is 30 or 52k 😉
hot_rod
Re: Wiring relay to cut heat call during DHW (combi boiler)
For the reasons posted above I think this should work. The PTD102 makes the rest of the control equipment unaware of brief DHW calls, since the relay should not change state until the PTD102 times out.
I would verify the DHW contacts close (no load or power applied except a continuity tester) and stay closed for the duration of any DHW call.
109A_5
Re: Vent Problem on One Pipe Steam System
It does. There are several versions of the manual out there, but they all say that if the boiler is 5 sections (150,000 BTUH input) or more, it needs two risers to the header. And they say to make the risers the full size of the outlet tappings. The two largest sizes (262,000 and 299,000 input) need 3" headers.
Re: Seeking Engineer for Off-Grid Religious Facility Heating in the Mountain States
Those open tanks were just for expansion.
Re: DIRECTION OF STEAM TRAVEL
Can't read the manual or is so smart he thinks he doesn't need to read it. Trouble is his work says that he does need to read it.
Its all wrong.
