For direct fired fresh air heating applications Burns clean and odor-free with most gaseous fuels, meeting or exceeding most known standards for direct-fired make-up air and space-heating applications High turndown, up to 25 : 1 Modular design configured within your duct for optimal temperature distribution No need for a combustion air blower

TECHRITE-MAXON-MAXON-NP-&-RG-AIRFLO-IN-DUCT-FIRING-LINE-BURNER-180528114723.PDF [PDF]