Most of the heaters Ive seen are stamped with the H-02-47 number.I had a 53 unit with a tag # HD-206-50.My deluxe air flow recirculator heater is actually stamped Harrison 54.
This is interesting.



Tim

1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
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"A house is built with boards and beams. A home is built with love and dreams."
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