CircuPool CORE35 vs Hayward AquaRite 940

Last updated: October 27, 2026

The Hayward AquaRite 940 is the better salt chlorinator overall, rated 3.6 to 2.9. The Hayward AquaRite 940 leads on certification, warranty and features. The CircuPool CORE35 wins on value. The CircuPool CORE35 costs $604.99 less ($1,595 vs $2,199.99).

CircuPool CORE35 vs Hayward AquaRite 940

Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every large pools salt chlorinator; a clear win is highlighted. How we rank explains each one.

Factor weightHayward AquaRite 940CircuPool CORE35
Overall rating3.6/52.9/5
Value 30%34 $2,200 for 1.4 lb of chlorine a day ($1,517 per lb/day)48 $1,595 for 1.4 lb of chlorine a day ($1,139 per lb/day)
Cell cost 20%50 no current cell price (neutral score used)69 Replacement cell $737 ($526 per lb/day)
Warranty 20%75 4-year cell, 4-year control center warranty25 2-year cell, 2-year control center warranty
Features 20%75 Salt level readout, works with hayward pro logic, pentair intellitouch, polaris eos, cold-water shutoff, flow sensing, boost mode30 Cold-water shutoff, flow sensing, boost mode
Certification 10%100 Certified to NSF/ANSI 500 Not certified to NSF/ANSI 50

Specifications

Hayward AquaRite 940CircuPool CORE35
Output
Pool typeIn-groundIn-ground
Rated pool size (maker)40,000 gal35,000 gal
Chlorine output1.4 lb/day1.4 lb/day
Salt level2,700 to 3,400 ppm (ideal 3,200)3,000 to 4,000 ppm (ideal 3,500)
NSF/ANSI 50 certifiedYesNo
Cell
Replacement cellTCELL940CORE35-4300-8A-1RC
Replacement cell price-$737
Self-cleaningYesYes
Plumbing size2 in2 in
Controls
Salt level readoutYesNo
Flow sensingFlow switchFlow switch
Cold-water shutoffYesYes
Boost modeYesYes
Wi-FiNoNo
Automation compatibilityHayward Pro Logic, Pentair IntelliTouch, Polaris Eos-
Voltage120/240 V115/230 V
Warranty and models
Warranty4 years2 years
Warranty termsManual (effective 02/12/16) and brochure: 4 years on AquaRite 900 series, residential, original owner; accessories 1 year, commercial use 1 year. Hayward's product page lists 3 years parts and 1 year labor. No labor or shipping under the manual's terms.Sold as an 8-year limited warranty, prorated: parts free in years 1-2, then supplied at 40% (year 3), 60% (year 4) and 80% (years 5-8) of base price. No labor or shipping. DIY installation keeps the warranty. Commercial use: 1 year.
Released2020-03-

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