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Steam riser: flange or coupling?
Quick question... is it OK to use unions instead of flanges for disconnects on the steam risers? As usual, thanks for any input. C
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