AcuRite 00617 Pool & Spa Thermometer Instruction Manual

Instruction ManualPool & Spa Thermometermodel 00617

Questions? Contact Customer Support at(877) 221-1252 or visit THIS MANUAL FOR FUTURE REFERENCE.

Congratulations on your new AcuRite product. To ensure the best possible product performance, please read this manual in its entirety and retain it for future reference.

Unpacking Instructions

Remove the protective film that is applied to the LCD screen prior to using this product. Locate the tab and peel it off to remove it.

Package Contents

  1. Display unit with tabletop stand
  2. Pool and spa temperature sensor
  3. Instruction Manual


  1. High-Temperature RecordThe highest temperature was recorded over the past 24 hours.
  2. Low-Temperature RecordThe lowest temperature was recorded over the past 24 hours.
  3. Integrated Anchor Loop for easy placement.
  4. Sensor Low Battery Indicator
  5. Current TemperatureBOTTOM OF SENSOR
  6. A-B-C SwitchID code that must match display’s A-B-C switch to ensure units synchronize.
  7. Battery Compartment
  8.  °C/°F ButtonPress to select° C or °F temperature units.
  9.  Battery Compartment Ring for securing the battery compartment to the sensor.
  10. Battery Compartment Housing

Features & BenefitsDISPLAY UNIT

  1. High-Temperature RecordThe highest water temperature was recorded over the past 24 hours.
  2. Current Temperature
  3. Low-Temperature RecordThe lowest water temperature was recorded over the past 24 hours.
  4. History ChartDisplays the past 72 hours of data for temperature.
  5. “ IconDisplays when FREEZE WARNING is active.
  6. “▼ CLEAR MIN“ ButtonPress and release to clear low-temperature record (#3).
  7. FREEZE WARNING“ Button Press to activate freeze warning.
  8.  “▲ CLEAR MAX“ ButtonPress and release to clear high-temperature record (#1).
  9. Display Low Battery Indicator
  10.  Sensor Signal Strength
  11. Sensor Low Battery IndicatorBACK
  12. Integrated Hang HoleFor easy wall mounting.
  13. A-B-C SwitchID code that must match sensor’s A-B-C switch to ensure units synchronize.
  14. Battery Compartment
  15. Removable Tabletop Stand
  16. °C/°F ButtonPress to select °C or °F temperature units.
  17. Battery Compartment Cover


Sensor Setup

  1. Access Battery CompartmentRemove the battery compartment housing from the sensor by unscrewing the battery compartment ring.
  2. Set the A-B-C SwitchThe A-B-C switch is located inside the battery compartment. It can be set to A, B or C. However, you must select the same letter choices for both the sensor and the display unit in order for the units to synchronize.
  3. Install or Replace BatteriesRemove the battery compartment housing from the sensor by unscrewing the battery compartment ring.AcuRite recommends high-quality alkaline batteries for the best product performance. Heavy duty or rechargeable batteries are not recommended.Slide off the battery compartment cover. Take note of the A-B-C switch setting inside the battery compartment.1. Insert 2 x AA batteries into the battery compartment, as shown. Follow the polarity (+/-) diagram in the battery compartment.2. Replace the battery cover.
  4. Replace Battery Compartment HousingReplace battery compartment housing and secure to the sensor by screwing on the battery compartment ring.

IMPORTANT: Screw on the battery compartment ring gasket tightly, to ensure that water does not enter the sensor and damage its internal components.

Display Unit Setup

  1. Set the A-B-C SwitchLocate the A-B-C switch inside the battery compartment. Set the A-B-C switch to A, B or C. You must select the same letter choices for both the display unit and the sensor in order for the units to synchronize.
  2. Install or Replace Batteries1. Remove the battery compartment cover.2. Insert 3 x AA alkaline batteries into the battery compartment, as shown. Follow the polarity (+/-) diagram in the battery compartment.3. Replace the battery cover.

Select Temperature UnitsTo select between degrees Celsius (°C) or Fahrenheit (°F) temperature units, slide the “°C/ °F” switch located inside the battery compartment located on the back of the display.PLEASE DISPOSE OF OLD OR DEFECTIVE BATTERIES IN AN ENVIRONMENTALLY SAFE WAY AND IN ACCORDANCE WITH YOUR LOCAL LAWS  AND REGULATIONS.BATTERY SAFETY: Clean the battery contacts and also those of the device prior to battery installation. Remove batteries from equipment that is not to be used for an extended period of time. Follow the polarity (+/-) diagram in the battery compartment. Promptly remove dead batteries from the device. Dispose of used batteries properly.  Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteries in fire, as batteries may explode or leak. DO NOT mix old and new batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOT recharge non-rechargeable batteries. DO NOT short-circuit the supply terminals.

Placement for Maximum AccuracyAcuRite sensors are sensitive to surrounding environmental conditions. Proper placement of both the display unit and outdoor sensor are critical to the accuracy and performance of this product.

Display Unit PlacementPlace the display unit in a dry area free of dirt and dust.The display unit stands upright for tabletop use or is wall-mountable.Outdoor Sensor PlacementSensors must be placed in water to observe water temperature. The sensor should be secured to a pool ladder or other structure to prevent it from drifting out of the wireless range of the display unit. Secure the sensor using the integrated anchor loop and a length of waterproof cord or rope (not included).

Important Placement Guidelines

  • The display unit and outdoor sensor must be within 100 ft (30 m) of each other.
  • To maximize wireless range, place units away from large metallic items, thick walls, metal surfaces, or other objects that may limit wireless communication.
  • To prevent wireless interference, place both units at least 3 ft (.9 m) away from electronic devices (TV, computer, microwave, radio, etc.).

Setup is CompleteThe sensor will now synchronize with the display unit. It may take a few minutes for synchronization to complete. Please refer to the troubleshooting section of this manual if anything appears to be functioning improperly.


Using the ThermometerWater Temperature History ChartThe water temperature history chart lets you monitor the change in conditions over the past 3 days (-3, -2, -1) and over the past 16 hours (-16, -8, -6, -4, -2, -1, 0).Set the Freeze Warning AlarmPress the FREEZE WARNING button to activate the freeze alarm. ” FREEZE WARNING ON ALARM WILL SOUND” will appear on the display.Deactivate the freeze alarm by pressing the FREEZE WARNING button again.Freeze Warning Alarm FunctionThe freeze warning alarm will sound and the display will flash when the temperature drops below 40°F (4°C). The alarm will sound for up to 1 minute. When the alarm is sounding, press any button to silence the alarm. If no buttons are pressed, the alarm will automatically stop after 1 minute and the display will continue to flash for up to 10  hours.High/Low RecordsHigh and low values are recorded for water temperature. High and low records reflect the minimum and maximum temperature records in the last 24 hours, starting at the time the batteries are installed.To clear the LOW-temperature record, press and release the “▼ CLEAR MIN” button. button. Dashes will display to confirm low record has been cleared. To clear the HIGH-temperature record, press and release the “▲ CLEAR MAX” button. Dashes will display to confirm high record has been cleared.


No outdoor sensor reception no bars If the wireless signal indicator shows no bars:• Relocate the display unit and/or the outdoor sensor.The units must be within 100 ft (30 m) of each other.• Make sure both units are placed at least 3 feet (.9m) away from electronics that may interfere with the wireless communication (such as TVs, microwaves, computers, etc).• Use standard alkaline batteries. Do not use heavy-duty or rechargeable batteries. NOTE:  It may take up to 20 minutes for the display unit and sensor to synchronize after batteries are  replaced.
Display screen not working • Check that the batteries are installed correctly. Batteries may need to be replaced.
Temperature is flashing or showing dashes Flashing of the temperature is generally an indication of wireless interference.1. Bring both the sensor and display unit indoors and remove at least one battery from each.2. Make sure the A-B-C switch on both units matches.3. Reinstall the battery in the outdoor sensor.4. Reinstall the battery in the display unit.5. Let the units sit within a couple of feet of each other for about 20 minutes to gain a strong connection.

If your AcuRite product does not operate properly after trying the troubleshooting steps, visit or call (877) 221-1252 for assistance.

Care & Maintenance

Display Unit CareClean with a soft, damp cloth. Do not use caustic cleaners or abrasives. Keep away from dust, dirt, and moisture.Outdoor Sensor CareClean with a soft damp cloth. Do not use caustic cleaners or abrasives.


TEMPERATURE RANGE 32ºF to 158ºF; 0ºC to 70ºC
WIRELESS RANGE 100 ft / 30 m depending on home construction materials
POWER Display: 3 x AA alkaline batteries
Sensor: 2 x AA alkaline batteries
DATA REPORTING 60-second updates

FCC Information

This device complies with part 15 of FCC rules. Operation is subject to the following two conditions:

  1. This device may NOT cause harmful interference, and
  2. This device must accept any interference received, including interference that may cause undesired operation.

WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void theuser’s authority to operate the equipment.NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and the receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.

Customer Support

AcuRite customer support is committed to providing you with best-in-class service. For assistance, please have the model number of this product available and contact us in any  of the following ways:

(877) 221-1252 [email protected]

24/7 support at

► Installation Videos► Instruction Manuals► Replacement Parts► Register your Product► Support User Forum► Submit Feedback & Ideas

Limited One Year Warranty

At AcuRite, we proudly uphold our commitment to quality technology. Chaney Instrument Co. warrants that all products it manufactures to be of good material and workmanship and to be free of defects when properly installed and operated for a period of one year from the date of purchase.We recommend that you visit us at for the fastest way to register your product. However, product registration does not eliminate the need to retain youroriginal proof of purchase in order to obtain warranty benefits.Chaney Instrument Co. warrants that all products it manufactures to be of good material and workmanship and to be free of defects when properly installed and operated for a  period of one year from the date of purchase. Remedy for breach of this warranty is limited to repair or replacement of the defective item(s). Any product which, under normal use and service, is proven to breach the warranty contained herein within ONE YEAR from the date of sale will, upon examination by Chaney,  and at its sole option, be repaired or replaced by Chaney. Transportation costs and charges for returned goods shall be paid for by the purchaser. Chaney hereby disclaims all responsibility for such transportation costs and charges. This warranty will not be breached, and Chaney will give no credit for products it manufactures which have received normal wear and tear,  been damaged (including by acts of nature), tampered, abused, improperly installed, damaged in shipping, or repaired or altered by others than authorized representatives of  Chaney.The above-described warranty is expressly in lieu of all other warranties, express or implied, and all other warranties are hereby expressly disclaimed, including without limitation the implied warranty of merchantability and the implied warranty of fitness for a particular purpose. Chaney expressly disclaims all liability for special, consequential or incidental damages, whether arising in tort or by contract from any breach of this warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. Chaney further disclaims all liability from personal injury relating to its products to the extent permitted by law. By acceptance of any of Chaney’s products, the purchaser assumes all liability for the consequences arising from their use or misuse. No person, firm or corporation is authorized to assume for Chaney any other liability in connection with the sale of its products. Furthermore, no person, firm, or corporation is authorized to modify or waive the terms of this paragraph, and the preceding paragraph, unless done in writing and signed by a duly authorized agent of Chaney. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.For in-warranty claims: Chaney Instrument Co.965 Wells St., Lake Geneva, WI 53147

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©Chaney Instrument Co. All rights reserved. AcuRite is a registered trademark of the Chaney Instrument Co., Lake Geneva, WI 53147. All other trademarks and copyrights are the property of their respective owners. AcuRite uses patented technology. Visit for details.

Printed in China00617 INST 012215


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