STERLING MODEL “GG” LOW PROFILE TUBULAR DESIGN GAS FIRED UNIT HEATER

DESCRIPTION:

The Sterling Model “GG” Low Profi le gas-fi red unit heater is a highly effi cient, extremely versatile product. These propeller units combine the latest tubular heat exchanger technology with a unique single-orifi ce burner system. Units are available in sizes ranging from 30 to 120 MBH in a compact, low profi le design. RESIDENTIAL AND COMMERCIAL CERTIFICATIONS:

The Sterling Model “GG” unit heater conforms with the latest ETL certifi cation standards. Design certifi ed under ANSI Z83.8 for Industrial/Commercial use and the more demanding requirements of CSA .10.96 U.S. (2nd ed.) “Unit Heaters for Residential Installation”, make this low profi le unit heater the ideal selection.

TUBULAR HEAT EXCHANGER:

The Sterling tubular heat exchanger has been designed to provide maximum and uniform heat transfer. The low pressure drop associ-ated with the design enables heated air to be evenly distributed to the conditioned space. The curved, non-welded serpentine design expe-riences low thermal stress making it highly durable for signifi cantly longer service life.

SINGLE ORIFICE BURNER:

Sterling Model “GG” units are built with a proprietary, single orifi ce burner system: one burner to service and one orifi ce to change for gas conversion. The stainless steel burner box provides even heat distribution to all heat exchanger tubes.

DIRECT SPARK IGNITION SYSTEM:

Sterling Model “GG” units utilize a direct spark pilotless ignition of the burner, providing fast heat delivery. This highly reliable and effi cient ignition system incorporates an integrated electronic control board to regulate the system sequence of operation, including an onboard LED indicator for simple troubleshooting.

DUAL VENTING:

Sterling “GG” units are agency certified for both standard and separated combustion venting. Units are shipped to accommodate either category I or category III horizontal or vertical venting. With the addition of a Sterling concentric vent kit, the unit can be installed as