Casfuy PWS-161

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Casfuy PWS-161 Stainless Steel Pet Water Fountain User Manual

Model: PWS-161

1. Introduction

Thank you for choosing the Casfuy PWS-161 Stainless Steel Pet Water Fountain. This fountain is designed to provide fresh, filtered water for your pets, promoting hydration and health. Please read this manual thoroughly before use to ensure proper operation and maintenance.

2. Package Contents

Verify that all components are present and in good condition upon opening the package:

  • Stainless Steel Water Tank
  • Stainless Steel Top Cover
  • Swan-Neck Copper Spout
  • Water Pump
  • Filter Sponge
  • Carbon Filter
  • User Manual (this document)

3. Safety Instructions

To prevent injury or damage, observe the following safety precautions:

  • For indoor use only.
  • Do not allow pets to chew on the power cord.
  • Always unplug the fountain before cleaning or maintenance.
  • Do not operate the fountain without water.
  • Keep the power adapter and cord away from water.
  • Ensure the fountain is placed on a stable, level surface.
  • Supervise children around the pet fountain.

4. Setup Guide

Follow these steps to assemble and set up your Casfuy PWS-161 Pet Water Fountain:

  1. Rinse Components: Thoroughly rinse the stainless steel tank, top cover, and spout with water before first use.
  2. Install Filter Sponge: Place the filter sponge into the designated slot in the pump assembly.
  3. Install Carbon Filter: Insert the carbon filter into the filter tray. Ensure it is properly seated.
  4. Place Pump: Position the water pump at the bottom of the stainless steel tank.
  5. Add Water: Fill the stainless steel tank with clean water up to the maximum fill line. Do not overfill. The fountain has an 85 fluid ounce (2.5L) capacity.
  6. Attach Top Cover and Spout: Place the stainless steel top cover onto the tank. Insert the swan-neck copper spout into the opening on the top cover, ensuring it connects securely to the pump.
  7. Connect Power: Connect the USB power cable to the fountain and then plug the adapter into a standard 5V USB power outlet.
Diagram showing the multi-layer filtration system of the Casfuy PWS-161 pet water fountain.
Image: Multi-layer filtration system diagram. This image illustrates the water flow and filtration components, including the filter sponge and carbon filter, ensuring clean water for pets.
A cat sitting next to the Casfuy PWS-161 pet water fountain, highlighting its 2.5L large capacity.
Image: 2.5L Large Capacity. This image shows a cat near the fountain, emphasizing its generous 2.5-liter capacity, suitable for multi-pet households.
A cat sitting near the Casfuy PWS-161 pet water fountain, which is powered by a USB interface.
Image: USB Interface 5V Voltage. This image displays the fountain in a home setting, powered by a convenient USB connection, indicating its reliable and low-voltage operation.

5. Operating Instructions

Once assembled and filled, the fountain operates continuously when plugged in. The ultra-quiet pump ensures minimal noise during operation.

  • Water Level: Regularly check the water level and refill as needed. Do not allow the pump to run dry.
  • Continuous Flow: The fountain provides a continuous stream of water from the swan-neck spout, encouraging pets to drink more.
The Casfuy PWS-161 pet water fountain with water flowing from its swan-neck spout, demonstrating its quiet operation.
Image: Quiet and Silent Operation. This image shows the fountain in use, emphasizing its low noise level (under 20 decibels) for a peaceful environment.

6. Maintenance and Cleaning

Regular cleaning and filter replacement are essential for maintaining water quality and fountain longevity.

6.1. Weekly Cleaning

  1. Unplug: Disconnect the power adapter from the outlet.
  2. Disassemble: Remove the top cover, spout, and filters.
  3. Clean Tank and Cover: Wash the stainless steel tank and top cover with mild soap and water. Rinse thoroughly. These components are also dishwasher safe.
  4. Clean Pump: Disassemble the pump and clean all parts, including the impeller, with a small brush to remove any debris or hair.
  5. Rinse Filters: Rinse the filter sponge and carbon filter under running water. Do not use soap on the carbon filter.
  6. Reassemble: Reassemble the fountain and refill with fresh water.
The Casfuy PWS-161 pet water fountain components placed in a dishwasher, indicating it is BPA-Free and dishwasher safe.
Image: BPA-Free & Dishwasher Safe. This image shows the fountain's stainless steel components inside a dishwasher, highlighting the ease of cleaning and the use of safe materials.

6.2. Filter Replacement

  • Carbon Filter: Replace the carbon filter every 2-4 weeks, or more frequently if you have multiple pets or notice reduced water flow.
  • Filter Sponge: Replace the filter sponge every 1-2 months, or when it appears heavily soiled.

7. Troubleshooting

ProblemPossible CauseSolution
Fountain not dispensing water.
  • Power not connected.
  • Water level too low.
  • Pump clogged or dirty.
  • Ensure power adapter is plugged in and connected to the fountain.
  • Refill water to the appropriate level.
  • Clean the pump and impeller thoroughly.
Reduced water flow.
  • Filter clogged.
  • Pump partially clogged.
  • Rinse or replace the carbon filter and filter sponge.
  • Clean the pump and impeller.
Excessive noise from pump.
  • Water level too low.
  • Pump dirty or obstructed.
  • Refill water to the appropriate level.
  • Clean the pump and impeller.

8. Specifications

  • Model: PWS-161
  • Material: 304 Food-Grade Stainless Steel
  • Capacity: 85 fluid ounces (2.5 Liters)
  • Dimensions: 7.87 x 7.87 x 4.57 inches
  • Weight: 1.46 pounds
  • Power Input: 5V USB
  • Noise Level: < 20 dB
  • Included Components: Stainless Steel Water Tank, Stainless Steel Top Cover, Swan-Neck Copper Spout, Water Pump, Filter Sponge, Carbon Filter, User Manual
The Casfuy PWS-161 stainless steel pet water fountain, showcasing its durable 304 food-grade stainless steel construction.
Image: 304 Food-Grade Stainless Steel. This image highlights the premium stainless steel material used in the fountain's construction, emphasizing durability and hygiene.

9. Warranty and Support

Casfuy products are designed for quality and reliability. For warranty information, technical support, or any questions regarding your PWS-161 pet water fountain, please contact Casfuy customer service through the retailer where the product was purchased or visit the official Casfuy website.

Please retain your proof of purchase for warranty claims.

© 2026 Casfuy. All rights reserved.

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