FlowStar 2-Way Valve AV2W15C | Aquastar 1.5'' Socket x 2'' Spigot

Yes, you can replace a 1 HP pump with a 1.5 HP pump, provided the exterior dimensions are the same. However, be cautious about the impeller; while it will fit, it won't pump more water since both motors turn at the same RPM.

The horsepower (HP) of your pool pump should match your pool size and flow rate, which usually ranges from 40 GPM to 80 GPM. Generally, pool pumps range from 0.75 HP to 3 HP. Opting for a higher GPM flow rate can help reduce wear and tear on your pool equipment.

The cost of a pool pump can vary significantly based on its type and specifications. For example, low-head pumps range from $250 to $1,600, medium-head pumps from $400 to $2,500, and high-head pumps can exceed $1,250 to $4,000. Single-speed pumps typically cost between $250 and $1,000. It's essential to choose a pump that fits your pool's needs and features.