Description of Pentair WhisperFlo Energy Efficient 3-Phase Pumps in 1/2 to 3 hp.

The WhisperFlo® is a high performance pump with an innovative hydraulic design. It is engineered to circulate water more efficiently and more quietly than competitive pumps. Under typical operating conditions, WhisperFlo offers the highest water flow of any high performance pump (yet with the lowest electricity consumption).

The WhisperFlo is constructed of 40% glass-filled thermoplastic with the Cam and Ramp see thru lid. A self-priming, high flow pump with patented Funnel-Flo diffusers. This pump is equipped with 2 inch suction and discharge ports. Includes oversized strainer basket and volute.

Features:

Oversized strainer basket and volute—industry standard in pool pumps.
Lower HPs deliver higher performance than industry standard.
Compatible with all cleaning systems, various filters and jet action spas.
Heavy-duty/durable construction, the WhisperFlo is designed for long life.
Designed for residential and commercial applications.
Durable commercial duty 56 frame motor with NEMA square flange.
New motor increases life, energy, efficiency, ease of installation, and better cooling for long service life.

NSF certified.

The Energy Efficient (EE) rated pumps contain Energy Efficient motors that can save you up to 33% on your electric bill. For example, a standard efficiency 1 hp pump running for 8 hours may cost $41 while it's EE equivalent will only cost $28. The average cost difference between standard and EE pool pumps is about $100. You will make up this difference in less then eight (8) months.