Lennox 17F56 Cold Header Box 319852-301 this adjustable pneumatic switch allows
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- USA
- CAN
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Description
Lennox 17F56 Cold Header Box 319852 301 this adjustable pneumatic switch allows this adjustable pneumatic switch allows for field calibration of the pressure actuation point to match the 3 15 psi or other common pneumatic control ranges By replacing both the furnace ignitor and the flame sensor simultaneously
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