Installation Instructions
The Rain Backup in a Box
®
s f tted ns de the bu ld ng where the occup ers can, when ra nwater
has run out, hear any ma ns water runn ng from the soleno d valve. Wall mount ng s w th screws
through holes n the back of the cab net.
These nstruct ons assume the separate nstallat on of a ra nwater system n the bu ld ng w th
ra nwater flow ng off the roofs through a f lter nto an underground storage tank and a pump to take
the ra nwater through a separate p pe network for to lets, wash ng mach ne and outdoor use.
1)
Locate the best pos t on for the
Rain Backup in a Box
®
un t.
a. Ins de the bu ld ng where the
occup ers can see and hear t.
b. W th n a metre of a 220v AC
wall socket nto wh ch to
connect the plug.
c. Access ble to a ma ns water
p pe.
d. Above the top of the
underground storage tank so
that the backup ma ns water
flows by grav ty.
2)
Mount the un t securely to the wall and p pe the ma ns water to the nlet at the bottom r ght of
the un t us ng 15mm pushf t or copper p pework.
3)
P pe the outlet of the tund sh us ng 32mm waste p pe from the bottom left of the un t to the
ra nwater storage tank. The first 300mm must be strai ht; any angle close to the un t
r sks the water back ng up and flow ng back out of the tund sh. In most nstallat ons th s outlet
can be channelled to the closest poss ble ra nwater downp pe from the roof. Th s backup water
supply does not have to be p ped separately to the storage tank.
4)
The overflow p pe (m ddle) of the Ra n Backup n a Box should flow to the exter or through a
p pe wh ch offers no constr ct on. It s des gned to avo d flood ng of the house f the p pe from
the tund sh to the underground tank s blocked up, and to prov de a v sual alert to the bu ld ng
occupants. Run the overflow to the exter or of the bu ld ng to d scharge over the ground or
gully or connect to an adjacent ra nwater down p pe.
5)
Channel the float sw tch cable to the underground storage tank. Typ cally th s s through a
serv ce p pe made of 4 nch (110 mm) plast c wh ch also carr es ( ) the ma ns electr c ty supply
to the submerged pump the return p pe carry ng ra nwater from the storage tank back to the
appl ances n the house.
