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View Full Version : I have SS duct (HVAC) to be connected to a Galvanized steel duct. Do I need dielectri

JAVBERBARI
Jun 22, 2010, 06:40 AM
Do I require dielectric washers to join the SS duct to Galvanized steel duct in HVAC duct network?
JAVBERBARI
Jun 22, 2010, 06:41 AM
Do I require dielectric washers to join the SS duct to Galvanized steel duct in HVAC duct network?