Serving commercial aquatic facilities across New York State.

Talk With Angelo

Pentair · Pumps, Circulation and Flow Control · Self-priming commercial pool pumps (plastic)

Pentair EQ Series High Performance Commercial Pump

Non-corrosive all-plastic commercial pool pump, 3-15 HP, flows to 800 GPM, NSF certified and self-priming

Request a Facility AssessmentTalk to a Water-Quality Specialist
← Back to all productsAvailable through FreyTechFacts verified against manufacturer literature 2026-09-26.

Overview

Pentair describes the EQ Series as the only non-corrosive, all-plastic pumps designed for the commercial pool and water applications market. The volute, motor adapter and closed impeller are PPO resin, the base is slotted 6061 aluminum, and the pump is a volute-type back pull-out design close-coupled to a NEMA C-flange JM (ODP) or JMZ (TEFC) premium-efficient motor with a 303 stainless steel shaft. Pentair's product page lists NEMA Premium grade efficiency motors, a Cam and Ramp see-through lid, lightweight construction and easy serviceability, and states the pump is a drop-in replacement for C Series and CSP pumps.

Ratings are 3 to 15 HP at 3500 RPM. Three-phase models are 208-230/460 V and single-phase ODP models (5, 7.5 and 10 HP) are 230 V 60 Hz; TEFC motors are three-phase only (5-15 HP). The pump ships with a 6 in ANSI 125/150 bolted-flange suction (to the strainer) and 4 in discharge; without the strainer pot the pump is 6 in x 6 in. Maximum ambient and liquid temperature is 104 F and maximum operating pressure is 50 psi. The strainer pot is a separate bolt-on PPO resin body with a mineral-reinforced polypropylene basket (98 sq in open area) and polycarbonate lid.

Pentair's brochure states the EQ Series is self-priming under NSF standards and NSF certified; the product page notes NSF and UL approval applies to TEFC models only. The series includes EQW/EQWK WaterFall models at 3 and 5 HP (1750 RPM) for water features. Pentair recommends the pump for use with its Acu Drive XS variable frequency drives, and notes 575 V and 50 Hz models are available through Pentair representatives.

Is this a fit for your facility?

Usually a fit when

  • Commercial pool recirculation from roughly 3 to 15 HP where corrosion resistance and light weight matter
  • Like-for-like replacement of Pentair C Series or CSP bronze pumps (Pentair states drop-in replacement)
  • Installations planning a variable frequency drive (Pentair recommends Acu Drive XS)
  • Water features via the EQW/EQWK WaterFall models

Look elsewhere when

  • Duties above 15 HP or 800 GPM, where Pentair lists the C Series (to 20 HP) or Aurora engineered pumps
  • Water above 104 F (Pentair's stated liquid temperature limit)

Ideal facilities and conditions: Commercial swimming pool recirculation; Waterfalls and water features (EQW WaterFall models); Other commercial water applications; Retrofit of C Series / CSP pump installations.

Problems it addresses

Key capabilities and benefits

Capabilities

  • All-plastic PPO resin volute, motor adapter and closed impeller; slotted 6061 aluminum base
  • 3-15 HP, 3500 RPM; single-phase ODP (5, 7.5, 10 HP at 230 V) and three-phase ODP/TEFC (208-230/460 V)
  • Flows to 800 GPM; 6 in ANSI bolted-flange suction and 4 in discharge with strainer pot
  • Self-priming under NSF standards; NSF certified (product page: NSF and UL approved on TEFC models)
  • Clear Cam and Ramp lid; back pull-out design; replaceable bronze impeller wear ring
  • Drop-in replacement for C Series and CSP pumps; recommended with Acu Drive XS VFD

Operational and buyer benefits

  • Impellers manufactured for lower loads and longer motor life (Pentair)
  • Lightweight for easy, one-man installation (Pentair)
  • Close-coupled for quiet, stable flow operation (Pentair)

Available models and configurations

EQ500 / EQK500 / EQKT500 (5 HP)5 HP; single-phase 230 V ODP (EQ500), three-phase ODP (EQK500) or TEFC (EQKT500)
EQ750 / EQK750 / EQKT750 (7.5 HP)7.5 HP; single-phase 230 V ODP or three-phase ODP/TEFC
EQ1000 / EQK1000 / EQKT1000 (10 HP)10 HP; single-phase 230 V ODP or three-phase ODP/TEFC
EQK1500 / EQKT1500 (15 HP)15 HP; three-phase ODP or TEFC only
EQW300 / EQWK300 and EQW500 / EQWK500 WaterFall (3 and 5 HP, 1750 RPM)Water feature duty; 3 HP and 5 HP, single- or three-phase
Strainer Pot AssemblySeparate strainer, lid, basket and hardware

Technical specifications

Horsepower3-15 HP, 3500 RPM (WaterFall models 3 and 5 HP at 1750 RPM)Source: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
Flowto 800 GPMSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
Ports6 in ANSI 125/150 bolted flange suction (on strainer) and 4 in discharge; 6 in x 6 in without strainer potSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
MaterialsPPO resin volute, motor adapter and impeller; 6061 aluminum base; bronze impeller wear ring; 303 SS motor shaftSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
ElectricalThree-phase 208-230/460 V; single-phase ODP 230 V 60 Hz only (5, 7.5, 10 HP); 575 V and 50 Hz on requestSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
MotorPremium Efficient JM ODP Class F (JMZ TEFC three-phase only, 5-15 HP); external thermal overload requiredSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
Limits104 F ambient and liquid temperature; up to 50 psiSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf
CertificationNSF Certified; self-priming under NSF standards (brochure). NSF and UL approved, TEFC models only (product page)Source: https://www.pentair.com/en-us/products/business-industry/commercial-pool-products/commercial-pool-pumps/-eq-series--commercial-plastic-pump.html
Weight (with strainer pot)106-179 lb depending on modelSource: https://www.pentair.com/content/dam/extranet/nam/pentair-pool/commercial/pumps/eq-series/brochure/eq-series-commercial-pump-brochure-english.pdf

Specifications are summarized from manufacturer literature and depend on configuration. Confirm current values with FreyTech before design.

Installation requirements and retrofit considerations

Prerequisites

  • External thermal overload protector required for all models
  • ANSI class 125/150 plastic flanges with 1/8 in full-face gaskets for connections; 6 in Sch 40 pipe at the strainer flange (not Sch 80)
  • Cool, dry, well-vented location away from heaters and chemical storage; 12 in clearance behind motor

Retrofit and replacement notes

  • Pentair states the EQ Series is a drop-in replacement for C Series and CSP pumps
  • Available with or without strainer pot (6 x 4 with pot; 6 x 6 without) to suit existing strainer arrangements

Integration with other equipment

No equipment integrations are documented for this product. Coordination happens through the design team.

FreyTech's role: design, installation, commissioning, training, support

Project services

  • Evaluation of fit for your facility
  • Supply, lead time and pricing confirmed on request
  • Installation and support coordination where the product calls for it

Ongoing service and support

  • Parts, consumables and warranty coordination through FreyTech

Brochures, manuals, warranties and specifications

All resources for Pentair EQ Series High Performance Commercial Pump · Request documents

Pentair EQ Series High Performance Commercial Pump: frequently asked questions

Can the EQ Series replace an existing C Series bronze pump?

Pentair's product page states the EQ Series is a drop-in replacement for C Series and CSP pumps.

Is a TEFC motor available?

Yes, on three-phase models from 5 to 15 HP (JMZ TEFC); Pentair's page notes NSF and UL approval applies to TEFC models.

Related products

See the Pumps, Circulation and Flow Control category.

Related solutions: Reduce water, chemical, energy or labor waste · Modernize an aging equipment room

Next step

Is Pentair EQ Series High Performance Commercial Pump right for your facility?

Send us your pool volumes, current equipment, and what is not working. A specialist will review fit honestly and recommend next steps.

Serving commercial aquatic facilities across New York State.

Request a Facility AssessmentTalk to a Water-Quality Specialist

Prefer to talk? 1-800-724-2770