Welcome! Here are the website rules, as well as some tips for using this forum.

Need to contact us? Visit https://heatinghelp.com/contact-us/.

Click here to Find a Contractor in your area.

does hoffman 1B == hoffman 1A for venting flow?

jpf321

jpf321 Member Posts: 1,568

December 2010 in Strictly Steam

I believe that the Hoffman 1B is the straight version of 1A, so I should be able to use the Gill & Pajek #1A venting capacity numbers .. is this correct?

thanks.

1-pipe Homeowner - Queens, NYC

NEW: SlantFin Intrepid TR-30 + Tankless + Riello 40-F5 @ 0.85gph | OLD: Fitzgibbons 402 boiler + Beckett "SR" Oil Gun @ 1.75gph

installed: 0-20oz/si gauge | vaporstat | hour-meter | gortons on all rads | 1pc G#2 + 1pc G#1 on each of 2 mains

Connected EDR load: 371 sf venting load: 2.95cfm vent capacity: 4.62cfm
my NEW system pics | my OLD system pics

0

Comments

Steamhead Member Posts: 17,384

December 2010

I believe so

but Gerry and Steve could confirm it.

All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting
0
jpf321 Member Posts: 1,568

December 2010

the other difference...

1/8th for 1A and 1/4 for 1B

thanks

1-pipe Homeowner - Queens, NYC

NEW: SlantFin Intrepid TR-30 + Tankless + Riello 40-F5 @ 0.85gph | OLD: Fitzgibbons 402 boiler + Beckett "SR" Oil Gun @ 1.75gph

installed: 0-20oz/si gauge | vaporstat | hour-meter | gortons on all rads | 1pc G#2 + 1pc G#1 on each of 2 mains

Connected EDR load: 371 sf venting load: 2.95cfm vent capacity: 4.62cfm
my NEW system pics | my OLD system pics
0

This discussion has been closed.