Replacement Parts

ASTRO EXPRESS 2
HOT WATER RECIRCULATION | SUBMITTAL
19
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HYDRONIC SOLUTIONS CATALOG
Environment: Indoor use only
Max. working pressure: 100 psi (689 kPa)
Max. water temperature: 140°f (60°c)
Approvals:
listed certified
Job:
Representative:
Engineer:
Contractor:
Order no: Date:
Submitted by: Date:
Approved by: Date:
quantity description
*Astro Express 2 system (Wet rotor circulator
with timer, line cord, union hardware, and one
Astro Express lf valve)
*Astro Express lf valve (only) for lengthy
branches to additional faucets o main
distribution pipe
technical data
astro express 2 circulator
astro express 2 circulator
astro express lf valve
Power requirements: 115 vac, 60 Hz, 33 w, 0.29 a max.
Max. head (Astro 220ssu): 5.3 ft (1.6 m)
Max. flow (Astro 220ssu): 10.0 gpm (0.63 L/s)
Ambient temperature: 39°f (4°c) to 104°f (40°c)
Clock timer: 12 hour analog clock with am/pm indication
Timer settings: Individual toggles for each 15
minute
interval over 24 hours
Manual override: 3 position slide switch, on/o/auto
Housing: Forged eco brass* with noryl cap
Internal components:
Stainless steel and plastic with
epdm o-rings
Connections: Threaded, ½" hot & cold inlets, W"
hot
& cold outlets
Flowrate adjustment: 0 – 100%, multi-turn slotted screw
Mounting: Plastic wall anchor with screw
materials of construction
mounting orientation
performance curve
Pump casing: Astro 220ssu with 1¼” npsm union threads
Power connection: 6.0 ft (1.8
m) power cord, molded duplex
plug with ground
Impeller: pa66
Shaft: Ceramic
Bearings/seal: Ceramic/epdm
Union tailpieces: Brass, ¾" fpt (two) and ¾" mpt (one)
Union gaskets: epdm (two)
Connect the hot and cold water supply to the Astro
Express lf valve K" threaded inlets. (Stainless steel flex
hose recommended.)
Connect the hot and cold Astro Express lf valve W"
threaded outlets to the faucet. (Stainless steel flex hose
recommended.)
Secure the valve to the wall under the sink, using the plastic
wall anchor and screw.
*Complies with Section 116875 of the California Health and Safety Code and
Vermont Act 193. (Lead content of all wetted surface is 0.25% or less.)
5
5.5
4
3
2
1
0
024
6810
12
head - feet
flow - usgpm
1
2
3
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