Laars’ Pennant line of fan-assisted, modular boilers and volume water heaters is among the industry’s most versatile and environmentally friendly commercial systems for hydronic and hot water applications, the company states. Available in seven sizes from 500 to 2,000 MBH, Laars Pennant boilers/volume water heaters are fueled by natural or LP gas and deliver efficiency levels up to 85% with stage firing up to 4:1 and cascade with auto redundancy. Pennant systems also qualify as low-NOx emission-rated below 10 ppm. Pennants can be vented from the top or back and also can be installed indoors or outdoors and racked on top of each other for up to 4,000 MBH in a small footprint.


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