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Minimum distance to take-off to Mains?
In the new install of the 2 tr50 (starting this Thursday) we are very close to the original take-off to the mains. We would really like to avoid having to take part of it apart. The constraining factor is the distance from the last dropped riser into the header. We need about 16". Is this written in stone? We're fine on the equalizer side, but so close with the take-off. It's a very tight fit with barely the minimums met for distances. It would just be really nice not to have to remove 300 lbs worth of metal.
Two-pipe Trane vaporvacuum system; 1466 edr
Twinned, staged Slantfin TR50s piped into 4" header with Riello G400 burners; 240K lead, 200K lag Btus. Controlled by Taco Relay and Honeywell RTH6580WF