Durable Construction: Metal case and high-quality internal components are designed for long-term operation in demanding outdoor HVAC environments

Built with heavy-duty construction and a sloped basin design

the Belimo S2A-GV auxiliary switch is a solid choice

When the electromagnetic coil is energized

Streamlined Installation: Designed to fit within the standard quick hook-up fittings

Tjernlund Products 950-0029 Pressure Switch 320734-701 Durable Construction: Metal case andAs a veteran HVACR technician, you know that keeping a side wall venter system online depends on precise airflow verification. The Tjernlund 950 0029 Pressure Switch is the mandatory fan proving switch designed specifically for Tjernlund SS2 venter systems. Featuring a non adjustable set point factory calibrated at . 40 W. C. on pressure drop, this replacement air pressure switch ensures the burner only fires when the draft inducer has established