If you are switching the relay using a standard 24V thermostat signal

including JARD and ClimaTek equivalents

Common Questions How do I know if the manual reset has been triggered

50 to 100 Degree Range

Common Questions Is the shaft a standard diameter for Carrier fan blades

Lennox 97M37 Hardware Kit 318423-701 If you are switching theAs a veteran HVAC technician, I know that missing or stripped fasteners can turn a routine maintenance call into a headache. The Lennox 97M37 Hardware Kit is the professional grade solution for securing access panels and internal components. This genuine Lennox replacement part (also identified by model LB 110418A) features a 10 pack of heavy duty #10 24 x 1 1 2" thumbscrews. Each fastener is engineered with a knurled head for manual adjustment in