This Burnham Commercial Direct Vent Kit is designed for use with MPO series boilers. The kit includes a 6-inch Fields venting system, which is specifically engineered to facilitate the efficient expulsion of combustion gases from the boiler. The direct vent system operates by drawing in fresh air from outside for combustion and expelling the resultant gases back outdoors, ensuring optimal indoor air quality. It's constructed from durable materials to withstand high temperatures and harsh weather conditions, ensuring longevity and reliability. This kit is intended for horizontal installation and comes complete with all necessary components for a straightforward setup process.