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Replacement Chart (6-3/8” flange to flange dimension)
Taco Grundfos Armstrong Xylem/B&G Wilo
005
006
007
008
00R
00R
3-Speed
0015
3-Speed
UP 15-10 F
UP 15-10 FR
UP 15-42 F
UP 15-42 FR
UPS 15-42 F
UPS 1558 FC
UPS 15-58 FRC
ALPHA 15-55F
ALPHA 15-55FR
Astro 230CI
Astro 230CI-R
Astro 250CI
Astro 250CI-R
Astro 20
Astro 25
Astro 30
Astro 30-3
Astro 50-3
Compass 20-20
ecocirc 19-14 auto
ecocirc 19-14 vario
NRF-22
NRF-25
NRF-9F/LW
Star S 16F
Star S 16FX
Star S 21RFC
Star S 21FX
Star S 21F
Stratos ECO
16 RFC
• 18’ Shut-o head, 16 gpm max ow
• ECM High-Eciency motor
• Easy to use dial to set operating
speed or pressure control
• Operates in 4 dierent modes:
- Innitely Variable Fixed Speed
- Constant Pressure — Variable Speed
- Proportional Pressure — Variable Speed
- activeADAPT™ — Self-Adjusting, proportional
pressure, variable speed
• 6 color LED displays:
- Operating mode (Blue, Orange, Green or Violet)
- SureStart® Automatic unblocking & air purge (White)
- Error code diagnostics (Red)
• Use with a Taco ZVC Zone Valve Control or
SR Switching Relay for ON/OFF operation
• Integral Flow Check (IFC®) included
• Whisper quiet operation
• Optional 2-way ange reduces
SKU’s and provides universal
t-up to any ange position
• Double insulated, no ground required
Maximize system eciency, maximize system control.
TTT
Constant Pressure Mode
Across a series loop system
using zone valves
Fixed Speed Mode (Min/Max)
For zoning with circulators
Proportional Pressure Mode
Across multiple panel radiators
with thermostatic radiator valves
T= thermostatic radiator valve (TRV)
Typical Applications
Fixed Speed Mode (Min/Max) For zoning with circulators
Constant Pressure Mode (ZV)
Across a series loop system using zone valves
Proportional Pressure Mode (TRV) Across multiple
panel radiators with thermostatic radiator valves
T= thermostatic radiator valve (TRV)
TTT
Constant Pressure Mode
Across a series loop system
using zone valves
Fixed Speed Mode (Min/Max)
For zoning with circulators
Proportional Pressure Mode
Across multiple panel radiators
with thermostatic radiator valves
T= thermostatic radiator valve (TRV)
TTT
Constant Pressure Mode
Across a series loop system
using zone valves
Fixed Speed Mode (Min/Max)
For zoning with circulators
Proportional Pressure Mode
Across multiple panel radiators
with thermostatic radiator valves
T= thermostatic radiator valve (TRV)
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Taco ECM Circulator Mobile App!
Features & Applications