Product Description
H301
300/400 Series Replacement Tube and Fin Heater Core, 5/8" Hose Barb (2004 or newer)
Replacement Core: For 300 and 400 series heaters
If the heater is older 2004 you will need to replace the complete heater unit.
If the heater is older 2004 you will need to replace the complete heater unit.
