Valterra HydroMax P25201

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Valterra Products, LLC Mission Hills, CA 91346 1-800-806-6159 www.valterra.com

P25201 HydroMax Automatic Fresh Water Pump

RV/MARINE

INSTALLATION AND OPERATION MANUAL

HYDROMAX design delivers smooth，consistent flow at all ranges of operation, while drawing

low current. The balanced motor design incorporates precision ball bearings for long life, and is

equipped with an integrated thermal breaker. All RV/marine duty pumps have sealed switches and

are finished with a Electro Coating to inhibit corrosion. HYDROMAX water pumps have been

strictly inspected and can run smoothly. RV/Marine duty fresh water pumps are enclosed to

prevent incidental moisture from entering and when installed correctly, RV/Marine Duty Fresh

Water Pumps provide years of quiet operation. A HYDROMAX pump in combination with a low

backpressure water system can exceed all expectations. All HYDROMAX pumps are CE certified.

GENERAL INFORMATION

HYDROMAX realizes that in many instances our pump is being installed as a replacement pump

within an existing system. The following guides should be considered to achieve optimum pump

operation. Always follow all local or national installation codes & standards.

Installation instructions: ( RV )

·Solid surface.

·Accessible location away from living quarters.

·Properly sized wiring.

·Proper electrical protection.

·Flexible hose on inlet and outlet.

·Strainer on plumbing elbows and valves near the pump.

·Minimize flow restrictions in the system.

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Summary

General Information

Installation Instructions (RV)

Guides for achieving optimum pump operation in an existing system, following codes.

Mounting

Pump Positioning

Describes pump positioning options, including vertical mounting with pump head down.

Mounting Feet Function

Explains the function of mounting feet for vibration and noise isolation.

Electrical Requirements

Dedicated Circuit and Fuse Protection

Requirement for a dedicated circuit with proper fuse protection for pump operation.

Switch Specification

Specification for an approved marine duty switch to interrupt current flow on the positive lead.

Wire Sizing Importance

Importance of proper wire sizing for pump performance and fire hazard prevention.

Plumbing Recommendations

Flexible Tubing

Recommendation for flexible tubing on pump ports to prevent noise and component stress.

Strainer Installation

Recommendation for a strainer to prevent debris entry, ensuring pump longevity and warranty.

Rapid Cycling Causes

Factors causing rapid cycling and how to adjust the pump for optimal operation.

Automatic Fresh Water Pump Operation

Intermittent Duty Design

Clarifies the pump's design for intermittent use and not continuous operation.

By-Pass Valve Functionality

Explanation of the pump's by-pass valve operation for smooth flow and reduced cycling.

System Sanitizing Procedures

Periodic Maintenance Importance

Guidance on periodic maintenance for potable water systems, including sanitizing.

Bleach Calculation Methods

Methods to calculate the correct amount of bleach for sanitizing the water tank.

Winterizing Procedures

Freezing Damage Warning

Warning about potential damage from freezing water and the importance of draining the system.

Antifreeze Compatibility Note

Information on the use of non-toxic antifreeze for potable water systems with HYDROMAX pumps.

Troubleshooting Common Issues

Pump Will Not Start; Blows Circuit

Troubleshooting steps for a pump that will not start or blows the circuit breaker.

Pump Will Not Prime; Sputters

Diagnosis for a pump that will not prime or sputters during operation.

Leaks From Pump Head or Switch

Steps to identify and fix leaks originating from the pump head or switch.

Pump Runs When Faucet Is Closed

Troubleshooting for a pump that continuously runs even when a faucet is closed.

Noise and Cycling Issues

Noisy or Rough Operation Causes

Checks for loose plumbing, rigid pipe, or mounting issues causing noise.

Rapid Cycling Resolution

Guidance on adjusting the pressure switch to resolve rapid pump cycling issues.

Service Kits

Ordering Service Parts

Instructions for ordering the correct service kit using pump identification details.

Limited Warranty Information

Warranty Coverage and Period

Details on material/workmanship defects coverage for two years from purchase.

Warranty Exclusions

Lists conditions that void the warranty, including improper installation or foreign debris.

Claim and Return Process

Procedure for warranty claims, including shipping requirements and service center resolution.