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INSTALLATION
Raw Water Toilets -
1. Turn off power to toilet.
2. Close intake and discharge seacocks and
drain water from toilet system.
3. Disconnect intake hose from bowl elbow.
4. Remove existing bowl elbow and install new
bowl elbow supplied with Purasan.
5. Insert the “T” fitting in the hose between the
output of the pump and the new bowl elbow.
Fresh Water/Manual Toilets -
1. Connect reducer bushing to incoming side of
solenoid valve.
2. Connect 1/4” nipple fitting to outgoing side
of solenoid valve.
3. Install supplied strainer between water source
and solenoid
4. Check valve MUST be installed between so-
lenoid valve and tablet dispenser.
WARNING:
• All installations made below the waterline MUST
be protected by installing vented loops
• Always double clamp fittings below waterline
• Do Not use metal fittings
NOTE: Use PTFE tape or nonpermanent thread
sealing compound on threaded PVC fittings and
connections. Avoid low areas in hose that would
allow untreated waste to collect.
1. Connect discharge of toilet to one intake port.
2. Insert plug or second toilet discharge into other
intake port.
3. Determine position and glue discharge elbow to
top of tank using PVC cement.
4. Connect discharge hose from elbow to thru hull
fitting.
IMPORTANT: Be certain that the discharge
elbow is in the correct position before gluing.
Tablet Dispenser
IMPORTANT: 1/4” Tube to treatment tank must
run downward with no loops, kinks or upward
turns.
1. Connect 1/4” tubing from the black “T” fitting at
the dispenser (red cap) to the check valve on the
top of the treatment unit.
2. Slide flow metering clamp onto remaining tube
3. Install tube with flow metering clamp from White
“T” (in raw water installation) or Solenoid valve
(in pressurized freshwater installation) to bottom
of tablet dispenser (black cap).
Bowl elbow with restrictor
T Fitting
Water supply from
pressure side of pump
Discharge from toilet to either side
- Install plug in side not used
Discharge from
Purasan to thru-hull
15 minimum
to top of tank
or vented loop
(if used)
Raw water toilets
Pressurized fresh water toilets
Hose clamps
water
solenoid
adapter
Check
valve
restrictor
fitting
INTAKE
Tubing with
clamps