Specifications include, but are not limited to: *Shall be natural gas heat *Approximately 25 nominal tons dedicated horizontal SA/RA (Supply Air/Return Air) *One-piece, with a low profile, prewired, tested, and charged at the factory * Left Hand Horizontal dedicated air flow duct configuration *Full perimeter base rail with built-in rigging adapters and fork truck slots *Pre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection *Fully insulated cabinet *Two-stage cooling with independent circuits and control *Redundant gas valve for two stage gas heating capacity control *IGC (Infrared Gob weight Control solution) solid-state control for on-board diagnostics with LED error code designation, burner control logic and energy saving indoor fan motor delay *High-efficiency, gas heat with induced draft flue exhaust design *Scroll compressor