this replacement cartridge provides a 0 to 100% LEL detection range with a standard 0

always use the 3-pole configuration specified by the manufacturer

it facilitates the essential removal of combustion byproducts while pulling fresh air into the burner to maintain proper static pressure

Specific LP Calibration: Factor-set for liquid propane systems at 10" WC

Carrier LA680522 Fan Blade 320074-702 this replacement cartridge provides aThe Carrier LA680522 Fan Blade is a critical OEM replacement condenser fan engineered for high efficiency thermal transfer in residential and light commercial HVAC systems. This industrial grade axial impeller features a 22 inch diameter and a precise 24 degree pitch, designed to move maximum cubic feet per minute (CFM) while maintaining low static pressure. Constructed with three reinforced blades, this component is balanced to eliminate vibration