the slow-opening feature is critical for preventing hard ignitions and ensuring a smoother transition to steady-state combustion in commercial and heavy residential furnaces

NEMA 4X rated enclosure engineered specifically to protect Belimo actuators from harsh environmental conditions

OEM Compatibility: Facilitates a direct drop-in replacement

the 1609-105 is specifically configured for cooling

Using a switch other than the -

Tjernlund Products 950-2064 Limit Swt 318820-201 the slow-opening feature is criticalAs a veteran HVACR technician, you know that keeping a siding or power vent system operational depends on reliable safety interlocks. The Tjernlund 950 2064 Limit Switch is a critical 185 degree Fahrenheit linear limit switch specifically engineered for high performance venting applications. This spillage sensing switch is a direct replacement for Tjernlund VP 2, VP 3, WHK 2, and WHK E models, providing a manual reset safety layer that prevents burner