AcquaSaver BAS20-S Manuel
2Model BAS20-S Last updated: 21-07-2021
Introduction
The Acqusaver Valve is a fully automatic mechanical rainwater/mains changeover
device designed for a pressure pump supply system for harvesting rainwater for the
toilet, laundry and household applications with automatic mains water backup. It’s
suitable for two toilets, a washing machine and a tap.
Features
Patent design
Easy to install
Watermark approved
Smart Watermark approved
2 year warranty
No regular maintenance required
No electrical consumption or electrical
components
Solid brass construction
Fully waterproof – Built to last
Suitable for any pressure pump with
sufficient head pressure
Can be mounted in any position.
Built-in dual check valve for backflow prevention
Solid Brass mounting bracket (optional)
Specifications
Max Mains Pressure 500 KPa recommended
Max Pump Pressure 600 KPa
Min Pump Pressure 300 KPa Recommended
Recommended min pump
cut-in pressure
2 Bar
Max Flow Rate 50 LPM
Max water temperature 40° C
Min Water Temperature 0° C*
Pump Inlet 25mm 1” BSP F
Mains Water Inlet 20mm 3/4” BSP
Outlet 20mm 3/4” BSP
Weight 2.5 Kg
*Ensure proper protection against freezing weather
Operation
The AcquaSaver valve will always prioritise the use
of rainwater over mains water when rainwater is
available and will automatically switch to mains
water in the event of the rainwater tank running low
or an electrical failure.
When rainwater has been replenished, or power
has been restored to the pump, the AcquaSaver
valve will always automatically prioritise back to
rainwater.
The pump is only active when rainwater is being
drawn from the rainwater tank; it does not operate
when the AcquaSaver valve has switched to mains
water position.
The pump’s controller will start and stop the pump
when it detects a demand, for example, flushing a
toilet.
The operating mechanism of the AcquaSaver valve
is a unique patent design. It works by hydraulic
water pressure created by the pump to close the
mains water inlet, ensuring an extremely reliable
mechanism using few moving parts, no electronic
components and no energy consumption.
Maintenance
The AcquaSaver valve does not require
maintenance; however, there are things you can do
to ensure its most reliable operation:
– Fit a Y-Strainer
– Clean your gutters
– Clean the inlet strainer on the rainwater tank
Installation &
Operating Instructions
3Model BAS20-S Last updated: 21-07-2021
Connection
Step 1.
The AcquaSaver valve is fitted onto the pump
controller as shown in Fig 1. Lock up the 1” BSP F
loose nut with the rubber washer supplied, do not
over tighten Fig 2.
Step 2.
Connect the mains water to the AcquaSaver
Valve Fig 1.
Step 3.
Connect outlet to household.
Fig 3 shows a typical installation or a submersible
pump. Fig 4 shows the AcquaSaver valve mounted
on a surface using the optional AcquaSaver bracket
(Not supplied).
153
103
70
30
2
3
4
6
1
7
8
5
1"BSP F Loose Nut
Rubber
Washer
Fig. 4
Pump
Auto restart
Pressure
Controller
To House
Mains In
Submersible pump
with built-in
pressure controller
Water Tank
To House
Fig 3
AcquaSaver Valve
Mains In
Bracket
Fig. 2Fig. 1
Proudly manufactured by
4 Squires Way, Croydon South
Victoria 3136 Australia
+61 3 9878 1575
+61 3 9894 2820 acquasaver.com.au
Parts List
Item No. Part Name QTY Material
1 Acquasaver Body 1 DZR Brass
2 Piston Cap 1 DZR Brass
3 DN25 Nut 1 Brass
4 M24 Cap 1 DZR Brass
5 1/8 BSP Plug 1 S/S
6 Dual Check Valve 1 DZR Brass
7 Forged Bracket 1 Brass
8 Hex Screws 2 S/S
Trouble Shooting
Symptom Cause Remedy
No water is delivered
from the pump, or pump
performance is decreased.
Rainwater tank is empty.
No power.
Isolation valve is closed.
Wait for tank to fill.
Check power supply & plug.
Open Isolation valve.
See pump manual.
No water is delivered
from mains.
No water from mains.
Debris in the valve.
Air Lock.
Check isolation valve.
Open bleed plug.
Pump continually runs. Leak in the plumbing system.
e.g. toilet or tap is leaking.
Faulty pump.
AcquaSaver warranty for Australia and New Zealand
The AcquaSaver Valve is guaranteed for a period of 2 years from the date of original purchase to be free of material or manufacturing
defects. Should any part fail as a result of such defects within this period, the AcquaSaver valve will be repaired or replaced free of
charge. The AcquaSaver also has a LIMITED LIFETIME WARRANTY on all brass components; any brass component will be replaced
free of charge if it fails in normal use during its life. The warranty applies in all states and territories in Australia and New Zealand.
The warranty period commences on the day of the original purchase of the AcquaSaver valve. Evidence of this purchase must be
provided when claiming repairs or replacement; it is recommended you retain all receipts. Both warranties are subject to conditions
by the original purchaser with all conditions set in the installation and operating instructions. Failure to comply with these instructions,
damage or breakdown caused by fair wear or tear, negligence, misuse, incorrect installation, chemical or additive in the water,
corrosive or abrasive water, inadequate conditions, attempting repairs or accidents are not covered by this warranty.
153
103
70
30
2
3
4
6
1
7
8
5
1"BSP F Loose Nut
Rubber
Washer
Fig. 4
Pump
Auto restart
Pressure
Controller
To House
Mains In
Submersible pump
with built-in
pressure controller
Water Tank
To House
Fig 3
AcquaSaver Valve
Mains In
Bracket
Fig. 2Fig. 1
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