Does this replace the 16-inch or 19-inch versions

or if the plunger is binding

and Grainger

Proper installation involves checking for unobstructed venting and ensuring the heat exchanger is not compromised before manual restoration of the circuit

the Watts 0382008 is specifically rated for hot water space heating boilers

York S1-UVLAMP36120 Lamp 318973-401 Does this replace the 16-inchThe York S1 UVLAMP36120 is a high intensity germicidal replacement UV lamp engineered for integration into air handling units and furnace plenums. Operating on a 120V circuit, this UVC bulb is designed to neutralize airborne bio contaminants and prevent the accumulation of organic biofilm on evaporator coils. For technicians, the S1 UVLAMP36120 is a critical component for maintaining system hygiene and ensuring peak heat transfer efficiency. This OEM