Sterling TF125A1NS111 Heater 30067439-890 and light oil applications where

and light oil applications where maintaining a tight shut-off is critical for system safety and efficiency

Contractors should verify the water column rating on the existing failed switch to ensure a 27W17 Lennox cross-reference matches the specific pressure requirements of the heat exchanger

Enhanced Circuit Management: Provides a structured layout for mounting control parts and sensors

eliminating leak-prone pins or bolts in the waterway

Constructed with high-temperature gaskets and a durable viewing glass

Sterling TF125A1NS111 Heater 30067439-890 and light oil applications whereThe Sterling TF125A1NS111 is a high efficiency, power vented industrial gas unit heater designed for rugged commercial environments like warehouses and large workshops. This 125,000 BTU gas heater features a heavy duty 20 gauge aluminized steel tubular heat exchanger with a serpentine design that eliminates the stress points found in traditional clamshell models, ensuring long term durability under heavy cycling. Utilizing inshot burner technology and