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Ensure the sight pipe is clear of obstructions and aimed at the leading edge of the flame for optimal signal
For technicians requiring oil removal
Durable Construction: Manufactured from robust cast iron for extended operational life and resistance to wear in tough industrial environments
the unit includes an integrated 1 NO + 1 NC auxiliary contact and utilizes a standard 24VAC 50/60Hz control coil
This HVAC pressure switch features a specific factory set point of
Markel Products Co. 41041-003 Switch 326010-701 Ensure the sight pipe isThe Markel Products Co. 41041 003 Auto Reset Switch is a critical temperature limiting safety device specifically engineered for duct heater applications and electrical heating assemblies. This L170 50F high limit switch functions as a primary thermal cutoff, opening the circuit when the discharge air temperature reaches 170F and automatically closing when the temperature drops to the 50F differential threshold. Built for heavy duty HVAC duct heating