Enclosed Trailer Mounted Firetube Rental Boilers  The enclosed trailer mounted firetube rental boilers are among our most popular offering of our rental boiler fleet. The enclosed mobile boiler rooms are available in sizes up to 600 horse power and come fully operational with feedwater systems, all internal piping completed, blow down separators, stub stacks and steam header valves. Some of these units come with blow down heat recovery systems, water softeners and economizers. These units are designed for “plug and play” making installation both quick and inexpensive in order to reduce downtime.   Whatever your rental boiler need, IB&M is the boiler company with the most diverse inventory and breadth of experience who will minimize downtime and maximize your company’s profits   Contact our Rental Boiler division today at (855) 753-BOILER for more information on enclosed trailer mounted firetube rental boilers.