Armstrong 110223B-145, Model ASTRO 225SSU-TA, Stainless Steel Hot Water Recirculation Pump With Timer, Aquastat and Cord, 1/25 HP, 115 Volts, 1-1/4" NPSM Union Connection, 0-14 GPM
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FEATURES
Armstrong ASTRO 220SSU-TA Hot Water Recirculation Pump
This pump is designed for dedicated return in three-pipe plumbing installations. It automatically circulates water through domestic water pipes. This ensures that hot water is available instantly at every tap throughout a residence. Whit this recirculation pump, far less water is wasted each time a hot water faucet is opened. It saves an average of 12,000 gallons of water annually for a typical four-person household. This model is equipped with an Aquastat, which enables operation only when the sensed water temperature is below 85°F (25°C). Once activated, the circulator operates until either the water temperature reaches 105°F (41°C), or the current timed activation period ends. The pump is controlled by a 24 hour timer which allows homeowners to schedule delivery of hot water in 15 minute increments throughout the day. This model comes assembled, wired, tested and ready for installation. No electrician required for installation!
Includes:
- Stainless steel circulator pump
- Clock/timer
- Aquastat
- 6 feet line cord
Features
- System components are compact, rugged, quiet and reliable
- Stainless steel pump casing
- Ceramic pump shaft and bearings
- For indoor use only
- Meets building code requirements (where applicable)
- Maximum working pressure: 150 psi
- Maximum water temperature: 230°F
- Maximum head: 12.8 ft
- Maximum flow: 14 gpm
- Aquastat signals circulator to operate only when the water has cooled
- Low temperature switchpoint*: 85°F ± 10%
- High temperature switchpoint*: 105°F ± 10%
- Timer ensures availability of hot water when needed
- 12 hour analog clock with am/pm indication
- 3 position slide switch: On / Off / Auto
- 6 ft power cord, molded duplex plug with ground
- Complies with section 116875 at the California Health and Safety /Code and Vermont Act 193 (Lead content of wetted surface is 0.25% or less)
* High/low temperature switchpoints are as measured on pipe surface with the Aquastat
Note: This item replaces obsolete Model# 25BU-TA (Part# 110123-145).
Installation & Operating Instructions Astro 2 Circulator, Hot Water Re-Circulation System.pdf
Submittal Astro 2 Hot Water Recirculation System.pdf
Data Sheets & Charts Astro 2 - Cross Reference.pdf
Technical Overview Astro 2 Circulators.pdf
Terms of Sale & Warranty.pdf
Armstrong_Re-Circulation Pumps_Astro 2 Series_Repair Parts.pdf
The Armstrong Astro 2 series of re-circulation pumps is designed for dedicated return in three-pipe plumbing installations. It automatically circulates water through domestic water pipes. This ensures that hot water is available instantly at every tap throughout a residence. With this recirculation pump, far less water is wasted each time a hot water faucet is opened. It saves an average of 12,000 gallons of water annually for a typical four-person household. This model comes assembled, wired, tested and ready for installation. No electrician required for installation! Features
- System components are compact, rugged, quiet and reliable
- Ceramic pump shaft and bearings
- For indoor use only
- Meets building code requirements (where applicable)
- Maximum working pressure: 150 psi
- Maximum water temperature: 230°F
- 6 ft power cord, molded duplex plug with ground
- Complies with section 116875 at the California Health and Safety /Code and Vermont Act 193 (Lead content of wetted surface is 0.25% or less)
ARMSTRONG ASTRO 2 SERIES RE-CIRCULATION PUMPS |
Armstrong Astro 2 Series Re-Circulation Pumps
Model Comparison Chart
Model | Connection | HP | Voltage | Material of Construction | GPM | Max. Head |
ASTRO 225BS050S-LC | 1/2" Sweat | 1/25 | 115 | Bronze | 9 | 12' |
ASTRO 225BS075S-LC | 3/4" Sweat | 1/25 | 115 | Bronze | 9 | 12' |
ASTRO 220SSU-LC | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 220SSU050S-LC | 1/2" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 220SSU075S-LC | 3/4" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 225SSU-LC | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 14 | 13' |
ASTRO 230SS-LC | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 18' |
ASTRO 250SS-LC | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 24' |
ASTRO 225BS050S-T | 1/2" Sweat | 1/25 | 115 | Bronze | 9 | 10.5' |
ASTRO 225BS075S-T | 3/4" Sweat | 1/25 | 115 | Bronze | 9 | 12' |
ASTRO 220SSU-T | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 220SSU050S-T | 1/2" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 220SSU075S-T | 3/4" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 225BS075S-TA | 3/4" Sweat | 1/25 | 115 | Bronze | 9 | 12' |
ASTRO 225SSU-T | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 14 | 13' |
ASTRO 220SSU-TA | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 220SSU050S-TA | 1/2" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 230SS-T | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 18' |
ASTRO 220SSU075S-TA | 3/4" Sweat | 1/25 | 115 | Stainless Steel | 9 | 5.5' |
ASTRO 225SSU-TA | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 14 | 13' |
ASTRO 225BS050S-TA | 1/2" Sweat | 1/25 | 115 | Bronze | 9 | 12' |
ASTRO 230SS-TA | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 18' |
ASTRO 250SS-T | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 24' |
ASTRO 250SS-TA | 2 Bolt Flange | 1/25 | 115 | Stainless Steel | 18 | 24' |
ASTRO Express 2 | 1-1/4" NPSM Union | 1/25 | 115 | Stainless Steel | 9 | 6' |
PERFORMANCE CURVES |
DIMENSIONS |
HOT WATER DISTRIBUTION WITH RE-CIRCULATION |
MATERIALS OF CONSTRUCTION |
MODEL SELECTION |
BROCHURE |
Armstrong Astro 2 Series Re-Circulation Pump Brochure |
INSTALLATION MANUAL |
Armstrong Astro 2 Series Re-Circulation Pump Installation Manual |
TIMER & AQUASTAT INSTRUCTIONS |
Armstrong Timer & Aquastat Instructions |
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*Note: Picture is illustrative and may not reflect the actual product.*