Instruction Sheet
AquaMotionHot Two AMH2K-R
For Large Tank and Tankless Systems
(With Dedicated Return Line)
APPLICATION
The AquaMotionHot Two circulators are designed to deliver
hot water instantly at all points of use between the hot water
tank (tankless) and the return line. Water savings can be as
great as 12,000
– 15,000 gallons per year with 4-5 taps in a
home. The AquaMotionHot Two circulator together with
the Aquamotion
“On Call™” accessories are designed to be
user friendly, reliable and to produce a professional
installation.
WARNING:
Risk of electric shock. The AMH2K-R kits are
supplied with a grounding conductor and grounding type
attachment plug. To reduce the risk of electric shock, be
certain that it is connected only to a properly grounding type
receptacle.
WARNING:
When installing the circulator observe all
applicable electrical and plumbing codes.
WARNING:
To avoid electrical shock, disconnect power prior to
connecting or disconnecting circulator.
WARNING:
Risk of electric shock. This circulator has not been
investigated for use in swimming pool or marine areas.
WARNING:
This circulator is acceptable for indoor use only.
Employer uniquement a
l’interieur.
CAUTION:
This circulator has been evaluated for use with water
only. The suitability of this circulator for use with liquids other than
water is the responsibility of the end user.
SYSTEM REQUIREMENTS
Minimum water pressure 20 psi
Maximum water pressure 125 psi
Maximum water temperature 230F (110C)
SHIPMENT INSPECTION
Examine all components carefully to ensure they are all present
and they have not been damage in transit to you. Care should
be taken to avoid dropping or mishandling the circulator.
Damage to the circulator may occur if it is dropped.
KIT CONTENTS
The AMH2K-
R “Hot Two” package includes:
(1) Pump, model AMR-S3FVL with pre-wired 10 foot flexible
cord.
(1)
¾” NPT Female Stainless Flange Kit
REQUIRED TOOLS
2 - Pipe wrenches which open to at least 1
1/2”
2 - Adjustable wrench which opens to at least 1
1/2
”
1
– Teflon tape or pipe dope for flange connection
INSTALLATION INSTRUCTIONS
1. Turn off the power to your hot water heater at the
circuit breaker.
2. Close the valve on the cold water supply line to the
tankless hot water heater or hot water tank*. If you do
not have a valve on the cold water supply line, close the
main water valve to the house.
3. Attach a hose to the drain valve on your system and run the
hose to a drain or into buckets.
4. Open the drain valve and allow the system to drain down.
Note: Opening the faucet at a sink may speed the draining
process.
5. After the system has drained, close the drain valve.
6. Run a dedicated return line from your hot water heater to
the appropriate fixture.
7. Cut the hot water supply line at the fixture.
8. Install a tee fitting into the hot water supply line at the fixture
that accepts the correct pipe size and material of the supply
line and dedicated return line.
9. Attach the dedicated return line to the tee fitting that was
previously installed in the hot water supply line at the
fixture.
10. Install a tee fitting into the cold water supply line at the hot
water heater that accepts the correct pipe size and material
of the cold water supply line.
11. Apply Pipe Dope or Teflon tape to the male threads
of one of the flanges supplied in the kit and install the
flange onto the tee fitting previously installed in the cold
water supply line at the water heater.
12. Allow a 6.5 inch space for the circulator to be installed.
Apply pipe dope or Teflon tape to the male threads of
the remaining flange and install the flange onto the
dedicated return line at the water heater.
13. Place one of the gaskets supplied in the kit between the
circulator discharge and the flange previously mounted
on the cold water supply line. Us the bolts and nuts
supplied in the kit to attach the flange to the circulator.
Note: The discharge end of the circulator is the end the
arrow on the stainless casting is pointing at. Place the
other gasket between the fitting on the return line and the
circulator inlet. Tighten both nuts.
14. Place the other gaskets supplied in the kit between the
circulator inlet and the flange mounted previously on the
dedicated return line. Us the bolts and nuts supplied in the
kit to attach the flange to the circulator.
15. Open the valve in the cold water supply line to the hot
water heater. Check for leaks at the fittings. If a leak
occurs retighten or refit the joint. Note: To allow trapped
air to escape, open a hot water faucet and allow the
water to run until it is clear of bubbles.
Effective: 5/10/18
Supersedes: New
IS-AM09-610
