York S1-373-27868-401 Indoor Coil 326058-758 this valve is a dual-fuel

this valve is a dual-fuel component

this thermal fuse switch ensures reliable circuit interruption when the plenum temperature exceeds designated safety thresholds

Common symptoms include the indoor blower running constantly or the burner failing to ignite (tripped safety)

Common Questions Can I use the 3L1D12 to replace the 3L1D02 in my existing tank

York S1-373-27868-401 Indoor Coil 326058-758 this valve is a dual-fuelThe York S1 373 27868 401 Indoor Coil is a precision engineered evaporator coil designed for high efficiency heat transfer in residential HVAC systems. Engineered as a direct OEM replacement part, this cased coil features a durable aluminum construction to maximize corrosion resistance and prevent formicary pitting, a common failure point in older copper designs. It comes integrated with a high grade drain pan to ensure superior condensate management