Neptun NHW-E 105 - User Manual

Questions and Answers

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Ronald MillerAug 7, 2025
What to do if my Neptun NHW-E 105 Water Pump has no intake?
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  Richard HowardAug 7, 2025
  If your Neptun Water Pump has no intake, here are a few things to check: * Ensure the intake valve is fully immersed in water. * Fill water into the intake to establish a water connection in the pump chamber. * Make sure the intake line is airtight to prevent air leaks. * Inspect and clean the intake valve if it's leaking. * Clear any blockages from the strainer. * Verify that the maximum suction height hasn't been exceeded.
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Robert SuarezAug 15, 2025
Why is the delivery rate of my Neptun NHW-E 105 Water Pump inadequate?
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  Natalie OrtegaAug 15, 2025
  If your Neptun Water Pump's delivery rate is inadequate, consider the following: * Verify the suction height is within the recommended range. * Clean the strainer to remove any obstructions. * Ensure the intake valve is sufficiently immersed if the water level is dropping rapidly. * Clean the pump and replace any worn parts if contaminants have diminished its performance.
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Robert PetersonAug 23, 2025
How to troubleshoot a Neptun NHW-E 105 Water Pump when the motor fails to start up?
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  deanbrooksAug 23, 2025
  If the motor of your Neptun Water Pump fails to start, check the following: * Confirm that there is mains voltage, as indicated by checking the voltage. * Inspect the pump rotor for blockages; if blocked, dismantle and clean the pump.
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Sergio ObrienAug 30, 2025
Why does the thermostat switch off my Neptun Water Pump?
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  ckelleyAug 30, 2025
  If the thermostat of your Neptun Water Pump is switching the pump off, it could be due to: * Motor overload: Dismantle and clean the pump. * Excessive friction from foreign substances: Prevent the intake of foreign substances by using a filter.

Summary

Safety Regulations

Layout and Items Supplied

Layout

Details the components of the device as shown in diagrams.

Items Supplied

Lists all parts included with the product.

Proper Use

Technical Data

Before Starting the Equipment

Connecting the Intake Line

Instructions for attaching the suction hose to the pump.

Connecting the Discharge Line

Instructions for attaching the pressure hose to the pump.

Electrical Connections

Guidelines for connecting the appliance to the power supply.

Operation

Replacing the Power Cable

Cleaning, Maintenance and Ordering of Spare Parts

Servicing

Procedures for cleaning and maintaining the equipment.

Ordering Replacement Parts

Information needed to order spare parts.

Disposal and Recycling

Storage

Troubleshooting Guide

Service Information

Warranty Certificate

Guarantee Terms and Conditions

Details the terms and conditions of the product warranty.

What is Not Covered by Guarantee

Lists damages and situations not covered by the warranty.

Guarantee Period and Claims

Specifies the duration of the warranty and claim procedures.

Making a Guarantee Claim

Outlines the steps to follow when making a warranty claim.

Neptun NHW-E 105 Specifications

General

Power Source	Electric
Maximum Suction Height	8 m
Frequency	50 Hz
Cable Length	1.5 m
Maximum Flow Rate	4200 l/h
Voltage	230 V
Max Flow Rate	105 l/min
Inlet/Outlet Diameter	1"