(921-X) Tankless Coil for National US Boiler - 2-9-16-16C-20, 25-28-32 CAST IRON SHELL 8¾ X 20
GPM 5, 6, 8, 10, 12, 15, and 20
16 Bolt Holes
All Tankless Coils include Gasket and Bolts.
Boiler series
17, 18, 70, 101, 109, 209, 300
Tankless Coils Bolt Holes
16
Compatible boiler
National US
Tankless Coil Dimensions
8-3/4" X 20"
Manufactuer #
921-X
Payment & Security
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