Using genuine Watts 0780336 replacement parts eliminates indexing issues common with generic alternatives

including CFC

this blower pulley (also referred to as a sheave) supports 4L

the 9304 extension is the correct specification

Armstrong Fluid Technology 811757-002 Motor 321894-706 Using genuine Watts 0780336 replacementThe Armstrong Fluid Technology 811757 002 Motor is a high performance direct replacement for 811777 002, engineered for heavy duty commercial circulator pumps. This 3 4 HP motor operates at 1725 RPM and features a versatile dual voltage configuration of 115 208 230V. Built on a NEMA 56 frame with an open drip proof (ODP) enclosure, this single phase hydronic pump motor ensures efficient cooling during continuous operation. It is specifically designed