2
Introduction
Thank you for your purchase of the Watts Hot Water Recircu-
lation System.
This system has been inspected and tested prior
to shipment to provide you with long, effi cient, trouble-free service
when installed, maintained and used in accordance with the instruc-
tions in this Manual. Failure to do so could result in personal injury,
property damage or damage to the equipment. This Manual should
be considered a permanent part of your system and should be kept
available for easy reference by any user.
Package Contents:
Examine the components carefully to make sure no damage has
occurred to the pump. Care should be taken to ensure the pump is
NOT dropped or mishandled; dropping will damage the pump.
(1) Hot Water Recirculation System with timer
(1) Sensor Valve
(2) Valve mounting screws
(2) 3⁄8" compression to ½" threaded fl ex hoses (2) Adapters
(2) Rubber washers
(1) Installation and Operation Instructions
Electrical Requirements
Operational Parameters
Supply Voltage:
120 VAC, 60Hz
Shortest Switching Interval:
15 Minute Increments
Switch Modes:
"Timer", "ON" Override, "OFF" Override
Protection:
Clear plastic cover for dust and moisture
Maximum
Minimum
Operating Temperature
140°F (60°C)
N/A
Step A –
Close the supply water valve to the water heater located, in
most cases, above the water heater on the cold water inlet
to the hot water heater.
STEP 1
Picture #2
ELECTRICAL SAFETY WARNING
!
WATER HEATER CHECKLIST
!
Risk of electrical shock - This pump is supplied with a grounding
conductor. To reduce the risk of electric shock, be certain that it is
connected only to a properly grounded grounding type receptacle.
The safe operation of this pump requires that it be grounded in
accordance with the National Electrical Code and local governing
codes and regulations.
Electric Water Heater
• Turn off Power to your Water Heater at the breaker box.
Gas Water Heater
• Turn off the Gas to your water heater and insure that the
pilot light is not burning.
NOTICE
Before restoring power or gas to the water heater, make sure
the system is full of water and all the air has been purged.
NOTICE
The operating voltage and other electrical data are marked on
the motor label. Make sure that the motor is suitable for the
electrical supply on which it will be used.
NOTICE
System must be installed, maintained and used in accordance
with the instructions in this Manual.
Do not use with water that is microbiologically unsafe or of
unknown quality, without adequate disinfection before or after
the system.
Pump Installation: For Indoor Use Only
Picture #1
