Maytronics Dolphin Power Supply, 120W, 115V 99956034US-ASSY
Maytronics
SKU: 99956034US-ASSY
Maytronics 99956034US-ASSY — Basic Power Supply 120W / 115V
Product Overview
The Maytronics 99956034US-ASSY is a genuine OEM replacement power supply unit designed for robotic pool cleaners. It provides 120 W output at 29 V DC for compatible models with simple on/off operation (no WiFi). This unit is intended for use with robots from the Dolphin/Mayontronics family that require a basic power supply.
Key Features
- Output: 120 W power supply for 115-V input (100-240 V, 50/60 Hz) service environments.
- On/off operation only—no WiFi or advanced timer functions.
- Compatible with a range of Maytronics Dolphin robotic pool cleaners (models such as S50, Active 10, Echo, E10, T15, Encore, Escape, and others with basic power supply requirement).
- Genuine certified Maytronics part to maintain approved performance and warranty integrity.
Technical Specifications
- Part Number: 99956034US-ASSY
- Input Voltage: 100-240 VAC (50/60 Hz), ~2 A typical
- Output Voltage: ~29 V DC
- Output Power: 120 W nominal
- Included: Power supply box only — does **not** include the external power cord (you may reuse the cord from your previous supply if compatible).
- Package dimensions: Approx. 9.2 x 3.7 x 8.2 inches; weight ~2.3 lb (1.05 kg).
Compatibility / Use Cases
This unit is well suited for robotic pool cleaning systems that originally used or require a “basic” power supply with on/off functionality (rather than advanced weekly timer or WiFi capabilities). Typical compatible robots include:
- Dolphin S50
- Dolphin Active 10
- Dolphin Echo
- Dolphin E10
- Dolphin T15
- Dolphin Encore / Escape models with basic power supply requirement
Before ordering, verify your existing power supply specs, connector, and the model number of your robot to ensure compatibility.
Installation Notes
- Disconnect the robot from the electrical supply and unplug the old power supply before beginning installation.
- Remove the previous power supply unit and note the cord/connector configuration to reuse if compatible.
- Mount or place the new unit in a dry, ventilated area protected from water and direct pool chemicals.
- Connect the DC output cable to the robot as per manufacturer instructions and plug in the AC input cord (or reuse prior cord if approved).
- Turn the power supply ON and run the unit briefly to verify correct operation—check that the robot begins its cleaning cycle and monitors for any fault codes.
Troubleshooting
- No power to robot: Check AC line is live, verify power supply ON/OFF switch, ensure DC output connector is properly seated.
- Robot shuts off prematurely: Verify output voltage stays within specification under load, inspect for overheating of supply unit.
- Power supply gets very hot: Confirm ventilation around unit, ensure it’s not enclosed in a sealed box, and that it is rated for ambient temperature conditions.
Maintenance Tip
Periodically inspect the power supply unit for dust buildup, corrosion at the output connector, and secure mounting. Replace if the unit shows signs of overheating (discoloration, smell) or if the DC output becomes unstable. Keeping the power supply clean and properly ventilated helps maintain the longevity of your pool cleaning robot.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
Related Products
