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.
Hoffman system details

nicholas bonham-carter
Member Posts: 8,577
I've been studying all the Hoffman literature from the library here, and cannot see the orientation of the check valves isolating the air eliminator circuit from the returns and supply. Any advice on their direction, and why they are that way?--NBC
0
Categories
- All Categories
- 86.7K THE MAIN WALL
- 3.1K A-C, Heat Pumps & Refrigeration
- 56 Biomass
- 423 Carbon Monoxide Awareness
- 104 Chimneys & Flues
- 2K Domestic Hot Water
- 5.6K Gas Heating
- 103 Geothermal
- 159 Indoor-Air Quality
- 3.6K Oil Heating
- 68 Pipe Deterioration
- 940 Plumbing
- 6.2K Radiant Heating
- 385 Solar
- 15.3K Strictly Steam
- 3.4K Thermostats and Controls
- 54 Water Quality
- 43 Industry Classes
- 47 Job Opportunities
- 18 Recall Announcements