WARNING: This product can expose you to chemicals including nickel_compounds, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/.
Supco part number SHL512. Supco part number SHL512. Gas Furnace Plenum Limit Thermostat. Gas Furnace Plenum Limit Thermostat. Close 170 F. Product Details. Lennox: 37H73.
