ASC Water Pump AM50 Acquasaver Water Switch Pump

From: $650.00

ASC AM50 Acquasaver Water Switch Pump

Quiet, small and easy to install, the AM50 is fast becoming a popular domestic water switching pump for builders and home owners. Designed to replace pumps like the Davey Rainbanks and Onga SMHW Waterswitch pumps, the AM50 does not require a float for installation. These pumps are suitable for installation on single storey homes for toilets and laundry application. 

ASC M38/50 Domestic Quick Specs

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ASC AM50 Acquasaver Mains Switchover


The AM50 Acquasaver water pump is an ASC M38/50 domestic horizontal multistage pump with a ¾” Acquasaver. This is a small to medium single storey suitable water pump, designed for use where you need mains backup for toilet flushing, laundry and garden use. This pump will switch between tank water supply and mains water supply automatically when the water level drops in your water tank. The AM50 is extremely quiet and great for areas where noise is a factory and you want the quietest pump for the application. This pump does not have suction lift and is not suitable for applications where the tank is below the pump installation. The pump is suitable for domestic and garden application. The ASC AM50 comes with an automatic restart pressure controller that will start and stop the pump on demand, and also includes dry run protection.
ASC Water Tanks Pump GuidePump Characteristics:

  • Automatic Pressure Controller to turn the pump on and off on demand, with built in dry run protection.
  • Run dry protection to prevent pump damage.
  • Automatic electronic controller has a in-built check valve to prevent water back flowing through the pump.
  • 2.2bar pump cut in for greater versatility.
  • Corrosion resistant pump body, diffuser and stainless steel impeller to ensure pump durability.
  • High quality mechanical shaft seal and high quality bearings.
  • 240V single phase TEFC motor with in-built auto reset thermal overload to prevent the pump from overheating.
  • IP54 Protection / Insulation F

ASC AM50 Acquasaver Water Switch Pump Dimensions

  • Suitable for small domestic garden irrigation systems and single storey domestic homes.

ASC AM50 Acquasaver Water Switch Pump Quick Spec

Technical Specifications
Brand ASC
Product Type Pressure Pump
Suitable For Clean Water
Bar 3.5 Bar
Approval Drinking Water AS/NZS 4020
Flow Rate (L/min) 50L/min
Hp 0.55 Hp
kPa 350 kPa
Kilo Watts 0.37 kW
Max Head (m) 35m
Pump Inlet Size
Mains Inlet Size
1″ BSP F 
¾” BSP F 
Domestic Outlet Size ¾” BSP F  
Powered Electric
Taps 2-3 Taps
Warranty (months) 24 Months (Optional 36 and 60 months)
Volts 240 V
Current 1.54A
Body Stainless Steel
Impeller Stainless Steel
Mechanical Seal Graphite / Silicon / Carbide
Pump Size 368L x  160W x 448H
Pump Weight: 14.78kg
Box Weight: 16.28kg
Box Dimensions: 400L x 215Wx 380H

ASC Horizontal Multistage Performance Chart

Pump Warranty Options: ASC Water Tanks offers a two year warranty for it’s domestic water pump range. We also offer a three year option and a five year option which must be purchased at the time of your water pump purchase. Within the warranty period, we cover the pump for all manufacturing defects. This however does not cover seals, as seals are a wearing part and need to be replaced with normal wear and tear. ASC Domestic Surface mounted pumps are need to be covered and protected from the rain. We recommend a pump cover or a suitable means to cover the pump to be eligible for warranty claims.  Need more information. Click here for more information on our pump installation guide and pump warranty.

Why Choose ASC Water Pumps?

Premium Stainless Steel Housing

ASC Domestic Water Pumps are made from premium stainless steel. This ensures your pump does not rust from long term exposure to water and is suitable for both coastal and urban environments.

Auto Pressure Controller

Our ASC domestic range of pumps come  installed with a 2.2bar cut-in auto restart pressure controller. This allows your pump to run automatically as you open and close taps, and also has a built-in run dry protection.

Plug & Play Leads

The ASC surface mounted pumps include a plug and play lead between the controller and motor as well a brass barrel union. This allows for ease of installation, priming of the pump and servicing.

JET & Horizontal Multistage

In our domestic surface mounted pumps, we offer a solution in both JET self priming pumps that can lift water from depths of 8m and horizontal multistage high pressure water pumps for whole of house and irrigation water pumps.

Engineered Product

Our range of pumps are not a cookie cutter product. We have sat down with engineers, pump experts, designers and the factory to bring you our best product. We believe our pumps compare to the best in the market including Davey, Grundfos and Onga.

Certified Water Pumps

All ASC Water Pumps are CE (C-Tick) compliant and approved. This ensure you buy an electrically safe product that has passed the strictest of Australian an European Standards. As well as C-Tick approval, our range of domestic water pumps are Approved for Drinking Water AS/NZS 4020. We can provide certificates if required for your project or for your peace of mind
Weight 15 kg
Dimensions 40 × 23 × 40 cm
Flow Rate



350 kPa

Suitable For

Household Water Supply, Tank Water


2 Years

Build Option

Acqusaver Only, Acquasaver with Valves and Barrel Union



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