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SIMPLY FALLS

MODELS

MODÈLES 

MODELOS 

SF • SF-3

INSTALLATION

IMPORTANT – Before beginning, read all instructions to familiarize 

yourself with the products and additional accessories that can 

be used. This will help ensure that your water feature has been 

developed to meet your needs and ensure a proper installation.
If using an alternate pump inside vault, the maximum recommended 

pump flow rate should not exceed 5,000 gallons per hour.
Inspect excavated hole and make sure there are no sharp objects 

present. Lay underlayment inside the excavated hole and along the 

stream/waterfall regions. 
Similarly, place pond liner on top of the underlayment in same regions. 

If using two separate liners: Liner used for the stream/falls should over-

lap liner in the excavated pit. BE SURE THAT 1-2 FEET OF OVER-LAP 

IS BETWEEN THESE LINERS PREFERABLY ALONG AN INCLINE. If 

possible, over-lap the liners at a drop-off point, such as where a waterfall 

will occur. This will eliminate the possibility of water ever escaping. Do 

not over-lap liners in an area that will continually hold water.

Optional: 

Install the waterfall vault.

Before placing your Simply Falls™ vault into the excavated hole, 

place pump inside the vault along with discharge kit. DO NOT GLUE 

FITTINGS TOGETHER AT THIS TIME. With discharge kit installed on 

pump (inside vault), check to make sure discharge kit is in line with 

the pump discharge hole in the vault (Figure 1). Make adjustments 

where applicable. Repeat temporary installation as required until 

these items are in line. IMPORTANT: MAKE SURE THE CORRECT 

PVC CEMENT IS USED WHEN GLUING FLEXIBLE PVC. This cement 

is available at most swimming pool supply stores.
Once discharge kit/pump has been checked with vault, glue 

discharge kit components together using PVC primer/cement or 

suitable all-purpose cement. It is still recommended to use Teflon® 

tape on all threaded fittings to ensure a proper seal with minimal 

flow loses.
Place vault into the excavated hole (on top of the liner). Install pump with 

the discharge kit and make hose connection through the 3” hole in side 

of the vault. It is a good idea to fill with water and make a trial run before 

placing rock into the excavated hole. This will give you an idea of how far 

the water level drops in pit beforehand.
Begin placing rock around vault to fill up excavated hole. It is 

recommended that larger rock be placed at the bottom of excavated 

hole and then use a small layer of river rock at top. Avoid using sharp 

edged rocks as they could damage liner. 

Optional: 

It is recommended to install a 2” ball valve in the 2” 

connecting hose, between the pump vault and the waterfall. This 

allows you to control the flow rate exiting the waterfall.

MAINTENANCE

Water evaporation will occur with your Simply Falls™. Periodically 

inspect water level of the reservoir to ensure pump has plenty of 

water. As a rule of thumb it is best if water level is maintained at 

about the same level as top layer of rock in the pit.
  Winterizing may be required depending upon the geographical 

region for the installation. If this is applicable, please pump water 

out of reservoir, remove water in hose upstream of check valve, and 

remove pump.

INTRODUCTION

EN

Congratulations on the purchase of your Simply Falls™ water 

feature. Use your Simply Falls™ in places where a conventional 

water garden pond may not fit. Water garden ponds are not easily 

justifiable for all households. There are concerns with space, 

maintenance, as well as concerns for small children or pets playing 

in the near vicinity of a pond. Simply Falls™ creates the sights 

and sounds of a water garden without the concerns that come 

with having a pond. Please follow these instructions to ensure a 

successful installation.
Typical installation (Figure 1) shown with model F1000/F5000 

waterfall vault and flexible 2” hose.

DO NOT use extension cords with this pump. Install according to 

local electrical/building codes. Connect only to a circuit that is 

protected by a ground-fault-circuit-interrupter (GFCI).

Model SF

Simply Falls™ vault with lid

Model SF-3

Simply Falls™ vault with lid

Pump model: WGFP-15

Waterfall filter: WF5

Discharge kit: DK-A

2” flexible PVC

Auto-fill valve

Liner and underlayment

EXCAVATING FOR THE VAULT

When excavating for your vault it is important to maintain a specific 

water level in the reservoir at all times. This is important to ensure 

the pump is submerged at all times with an adequate water supply 

in the waterfall and/or stream.
Depth of the excavated hole should be deep enough to accommodate 

the Simply Falls™ vault. Allow another 1-2” for river rock to cover lid 

of the vault, this will help to hide lid but still make it easy to access 

the pump inside the vault. Keep in mind that the larger/longer you 

make your stream/waterfall, the larger the pit must be to ensure 

there is a suitable amount of water. 

Do not use river rock that is 

smaller than 1/2” diameter as it can get inside vault and damage 

pump.

 Refer to the diagrams for the overall dimensions.

1

19.25”

19.25”

24.5”

Figure 2

Figure 1

Waterfall Vault

Bassin de la Cascade

Bóveda de la Caída de Agua

Hose

Boyau

Manguera

Simply Falls™ Vault

Bassin Simply Falls

MC

Bóveda Simply Falls™

Discharge Kit

Trousse d’Évacuation

Juego de Descarga

Pump

Pompe

Bomba

Franklin Electric Co., Inc.

P. O. Box 12010

Oklahoma City, OK 73157-2010

405.947.2511 • Fax: 405.947.8720

www.LittleGiantPump.com

[email protected]

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