Waterway 2 Speed 4.5HP 230V Spa Pump | 3421821-1A Pool Liner Accessories durable aluminum frame with a

durable aluminum frame with a deep mesh net

Buttress-style threads provide higher axial load resistance than standard thread forms — the correct engagement style for pressurised filter vessels

Brand Equipment Line Model / Part Number Notes Pentair Triton II Sand Filter TR40 Filters manufactured after 12/1/91 only

The COM Port Expansion Module extends the communication capacity of the IntelliCenter control system

Auto Protector - Single Phase

Waterway 2 Speed 4.5HP 230V Spa Pump | 3421821-1A Pool Liner Accessories durable aluminum frame with aFeatures and Benefits: Executive wet end designed specifically for 48 frame motors Large 6 " diameter wet end for higher head pressure and energy efficiency Thermally protected to extend life expectancy of motor Highly versatile wet end can be rotated every 90 deg Silicone carbide seals, viton bellows, 316SS casing, corrosion resistance against chlorine, bromine & salt