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
Dimensions: 6.5" W x 16" L x 4" D
Dimensions: 6.5" W x 16" L x 4" D
If the heater is older 2004 you will need to replace the complete heater unit.
