HFYV38 - Malco - Dual-Valve Hi-Flow Y Branch 3/8" x 3/8" x 3/8" so this 10-pack keeps your

so this 10-pack keeps your evacuation setup leak-tight without needing to replace the whole hose

Versatile Use: Ideal for downsizing stove pipe and round metal duct to create a male connection for joining sections

ideal for demanding burner systems

} HSC3750 - Malco® 3-3/4" (95 mm) Carbide-Tipped Hole Saw

} QYO68ARTH Williams Thin Open-End Wrench

HFYV38 - Malco - Dual-Valve Hi-Flow Y Branch 3/8" x 3/8" x 3/8" so this 10-pack keeps yourMalco HFYV38 Dual Valve Hi Flow Y Branch 3 8" x 3 8" x 3 8" SAE Description: Combines high flow performance with independent flow control each leg of the Y features an integrated ball valve, letting technicians isolate hoses and control flow independently. The upgrade pick over the standard HFY38 when a tech needs to shut off one hose without breaking the vacuum on the other (e. g., swapping tools mid evacuation or running decay tests).