Weekly Product Gallery: Condensing boilers and water heaters

This week we highlight condensing boilers and water heaters: a vertical laser tube, wall-hung condensing boiler; a natural gas aluminum condensing boiler; a mod-con boiler that uses LP or natural gas; tankless water heaters that directly replace 50- and 75-gal. tank-type water heaters; a tankless water heater line with a 0.97 Energy Factor; and a stainless-steel, fire tube line in five sizes.