www.pmmag.com/articles/98667-concentric-vent-kit
Concentric Vent Kit
March 23, 2009

Triangle Tube announces the immediate availability of a 4" concentric vent kit for its Prestige Solo 399 condensing modulating wall-hung boiler. The new vent kit allows for a single penetration for both exhaust and combustion air and can be vented up to 100 equivalent feet.
For more information, visit www.triangletube.com.