Fulton Boiler 4-50-SP0405 Maintenance Kit R-448A Precise Manifold Regulation: maintains consistent
Baker’s notes & crumb story
Description
Fulton Boiler 4 50 SP0405 Maintenance Kit R 448A Precise Manifold Regulation: maintains consistent Precise Manifold Regulation: maintains consistent BTUs when switching to higher density propane fuel Nor East Controls manufactured these globe valves for Honeywell and later purchased the line