Exchanger heat air-to-air indoor 43..C 115V

Unique counterflow aluminium core for high efficiency and high performance heat transfer, except for the XR20 and XR29-08 which use a modified heat pipe core. Models for 115 and 230 VAC power input. UL Listed or Recognized to save customers time and money with agency approvals. Operating temperature range from -20 to 140..F. Streamlined aesthetics with no visible mounting rails; Slim design allows for mounting to narrow or shallow enclosures. Reliable top quality bearing fans and impellers make these units run quietly and with increased reliability. Low carbon mild steel sheet metal cover for rugged factory environments. Easy mount flanges for simple installation. Mounting hardware, gaskets and user manual furnished with the unit. Every unit functionally tested before shipping. Filterless design for low maintenance and easy cleaning. Four fasteners allow simple removal of front cover for easy access.