The Model SHH is a commercial air-handling unit that features up to 92 percent fuel efficiency. The TCORE3™ combustion system includes a titanium, stabilized, aluminized steel heat exchanger and aluminum secondary heat exchanger. The unit features a single burner combustion system, a multitry direct spark ignition with 100 percent lockout, a pressure switch to verify venter flow, a resiliently isolated venter motor, and a high-temperature limit control. The centrifugal belt-driven blower is capable of up to 2 inches water column of total static pressure. It is designed for use with either natural gas or propane. The operation of the air-handling unit is controlled through an integrated circuit board, which monitors heater operation and has LED diagnostic indicator lights to identify abnormalities in heating control functions.

Reznor/Thomas & Betts, 8155 T&B Blvd., Mailcode #4C-25, Memphis, TN 38125; 800-695-1901; 901-252-1305 (fax);

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