onga SMH55 User Manual

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OWNER’S MANUAL

Should you the installer or owner be unfamiliar with the correct

installation or operation of this type of equipment you should contact

the distributor/manufacturer for the correct advice before proceeding

with the installation or operation of this product.

We recommend, for additional protection, the pump

to be supplied from socket outlet protected by

a residual current device – RCD (also known as

an Earth Leakage Circuit Breaker – ELCB) with a

maximum rated residual current of 30mA.

Horizontal Multistage

Centrifugal Pumps

SMH Range

SMH35 SMH45 SMH55 SMH75 SMH90

Table of Contents

Questions and Answers:

W
williammedinaAug 8, 2025
What to do if my onga SMH55 Water Pump operates but delivers no water?
- J
  Jason BrownAug 8, 2025
  If your Onga Water Pump runs but doesn't deliver water, several issues could be the cause. First, ensure the pump is filled with water. Next, the suction head might be too high, or the foot valve/strainer isn't submerged enough; try lengthening the suction pipe, but no more than 8 meters. Check for air leaks in the suction pipe and joints. Also, the suction pipe/strainer or non-return valves might be clogged with debris, or the pump itself might be clogged. Cleaning these components may resolve the issue.
I
ibauerAug 15, 2025
Why my onga SMH55 does not operate and the motor does not run?
- L
  lisadavisAug 15, 2025
  If your Onga Water Pump isn't operating and the motor isn't running, there are a few potential causes. First, verify that there is electricity available to the pump. Next, make sure the pump is plugged in correctly. Finally, check if the circuit breaker has been activated, and if so, reset it.
J
joanne15Aug 23, 2025
How to troubleshoot reduced performance in Onga Water Pump?
- J
  Jacob AlexanderAug 23, 2025
  To troubleshoot reduced performance in your Onga Water Pump, consider these potential causes: the suction head might be too high, so reduce it. If the foot valve/strainer is only partially submerged, try lengthening the suction pipe. A worn or damaged pump shaft seal can cause this issue, so replace any defective parts. Debris partially blocking the pump can also reduce performance; remove any debris and flush the pump with clean water. Lastly, check the pressure switch settings and adjust them if they are incorrectly set, or replace faulty parts.

onga SMH55 Specifications

General

Brand	onga
Model	SMH55
Category	Water Pump
Language	English

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