Waterway 1.75/20hp Impeller
Original Impeller dimensionas: Diameter - 115mm, Internal vane width - 13mm and also had 4HP marked in the front centre of the impeller.
New Impeller Dimensions: Diameter -107mm, Internal vane width - 15mm and is black in colour with a blue dot in the centre of the impeller
Commonly used in Southwest/ Sierra spas pumps.
Product of USA.
Seal required 5/8" Type 7. Part # S5/8T7.
*NOTE - Either impeller may be suppliued depending on stock