The Sterling Shield GF series gas unit heaters are our most durable commercial heaters. Stainless steel construction on the outside and inside combined with a heavy-duty tubular heat exchanger provides maximum protection against moisture and rust making them a great option for greenhouses, processing plants, agricultural buildings, and any other area where moisture is a problem. Sterling GF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic system for dependable worry-free operation, lots of safety features, totally enclosed fan motor (ACF exclusive), corrosion and rust resistant stainless steel components for dependable worry-free operation, safety features like overheating controls and a safety shut-off, and high power fan to provide even heat distribution. They are designed for suspended mounting and require only a vent pipe and connections to a gas and electric line for installation. Some wiring required. Requires 110/120v electricity. Designed for propane or natural gas.
Features
- 83% efficient
- Made in the USA
- Certified for commercial and industrial use
- Direct spark ignition
- Power vented exhaust
- Totally enclosed fan motor (ACF exclusive)
- Stainless steel casing and heat exchanger
- 10 year warranty on the burner and heat exchanger
Performance Specifications
Model
|
BTU Input
|
BTU Output
|
W x D x H
|
Weight (lbs)
|
GF150
|
150,000
|
124,500
|
25 1/4" x 43 1/2" x 33 1/4"
|
155
|
GF250
|
250,000
|
207,500
|
37 1/4" x 43 1/2" x 33 1/4"
|
211
|
GF400
|
400,000
|
332,000
|
55 1/4" x 44 3/4" x 34"
|
335
|

Sterling GF Heater Specs and Dimensions
Sterling GF Heater Installation Manual