Hydronic Parts

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Armstrong Pumps 1/4 oz. Circulator Pump Oil
Armstrong Pumps 1/4 oz. Circulator Pump Oil
Item # 523267
Lead-Free Product. SDS

Armstrong factory Circulator Pump Oil. 1/2 Oz. Easy to use. Convenient size makes over oiling a non-issue.

  • Factory replacement
  • Easy to use tube
  • For use on S & H circulators
  • Can be used on B and G pumps
  • meets factory specifications
  • SAE 20
  • Detergent free
  • Lead free
  • Equals B & G L23401
  • Lubricates bearing assembly
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Armstrong Pumps Stainless Steel Flange Connection
Armstrong Pumps Stainless Steel Flange Connection
Item # 3575260

The Astro 230SS stainless steel circulator is designed for years of maintenance free service, used for potable water recirculation systems. Large wiring box and convenient plug in terminal strip save time. High flow check valve is pre-installed.

  • Astro 230SS (stainless steel flange connection)
  • Wet rotor designed for quiet operation and zero maintenance
  • Perfect for recirculation systems using potable water
  • Built in check valve, assures correct flow direction and cuts installation cost, no separate flow check required
  • Maintenance free
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Armstrong Pumps 3/4 in. Cast Iron Circulator Flange Kit
Armstrong Pumps 3/4 in. Cast Iron Circulator Flange Kit
Item # 523140

3/4 cast iron circulator flange. Heavy-duty and can be used on competing models. Genuine factory replacement.

  • Universal type flange fits bell and Gossett 100 series, Armstrong Pumps
  • Fits Armstrong Astro 2 series
  • Can be used on B & G circulators
  • Factory replacement
  • Heavy-duty
  • Includes nuts and bolts
  • Includes gaskets
  • Fits on Armstrong S & H circulators
  • Fits taco "00" series
  • Fits Grundfos "UP" series
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Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Item # 523080

1/2 in. Dia, facilitates easier starting, smoother bearing surface. Specially calibrated spring assembly has less vibration. Heavy duty casting, provides proper balance and equalization of torque. 81-5050 Replaces Armstrong 806026-002 and B & G 189110. 81-5280 Replaces B & G 118723. Min. Order: 1 EA.

  • Cast iron
  • Use on Armstrong S-45 & S-46
  • Factory replacement
  • Can be used on B & G circulators
  • Equals B & G #118723
  • Use on B & G# 2 1/2
  • Use on B & G #3
  • High quality
  • Long lasting
  • Quiet operation
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Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Armstrong Pumps Circulator Pump Coupler 4 Spring CI
Item # 523075

4- spring Coupler for S & H circulators. Cast iron construction for long service life. Easy cross reference to competing models.

  • Cast iron construction
  • Couples motor to pump inside bearing assembly housing
  • Used on S-25,S-35.H32,H41
  • Can used be placed on B & G circulator
  • Equals B & G #118705
  • Equals B & G #189110
  • No balancing required
  • No rusting due to construction
  • Durable
  • Genuine factory replacements
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Armstrong Pumps Body Gasket
Armstrong Pumps Body Gasket
Item # 523271

Body gasket for use on the Armstrong S and H circulators. Genuine factory replacement. Long lasting and matched to fit Armstrong and competing models.

  • 3-3/32 in. OD x 2-25/32 in. ID x 1/32 in. thick
  • Factory replacement
  • High quality
  • Used on Armstrong S-25
  • Fits on B and G 75 series
  • Replaces B and G P04080
  • Fits on B and G 100 series
  • Fits on B and G 150 series
  • Interchangeable with B and G
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Armstrong Pumps S-25 1/12 HP  Bronze Circulator Pump with Impeller
Armstrong Pumps S-25 1/12 HP Bronze Circulator Pump with Impeller
Item # 3575257

Armstrong 3 piece circulators use a proven design that continues to evolve. the industry accepted flange configuration makes S & H circulators the perfect solution when you need to change out pumps quickly. Maintenance free design uses permanently lubricated ball bearings. Easy to repair and rebuild.

  • S-25MF (Maintenance Free) All Bronze 1/12 hp, 115/1/60, Less Flanges
  • A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free
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Armstrong Pumps Circulator Pump Motor 1/12 HP S25
Armstrong Pumps Circulator Pump Motor 1/12 HP S25
Item # 523180

Replacement Motor for Most Popular Bell and Gossett 100 Series and Armstrong S-25 Series Pumps. Resilient mounting for long life and quiet operation. easily interchangeable with competing models.

  • 1 Amp, 115-Volt 60 Hz
  • Thermally protected
  • High quality
  • Maintenance free
  • Interchangeable with competing models
  • Permanently lubricated design
  • Use on S-25 circulator
  • Equals B and G #111035
  • Fits on B and G series 75 and 100
  • 1/12 HP
Units: Each
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Armstrong Pumps Lead Free Union Fitting Sets for Circulator Pumps, 3/4 in. Sweat
Armstrong Pumps Lead Free Union Fitting Sets for Circulator Pumps, 3/4 in. Sweat
Item # 523031

lead free bronze flanges. makes installation and service easy. provides a strong and water tight connection between pipe and circulator.

  • For use with Astro 220 and 225 SSU models
  • 1-1/4 in. NPSM x 3/4 in. sweat
  • Lead free
  • Set contains 2 half unions and gaskets
  • Easy to install
  • For use with copper pipe
  • Water tight connection
  • High quality
  • Genuine factory replacement
  • Complies with California & Vermont lead free laws
Units: Each
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Armstrong Pumps Standard Pump Flange Gasket-Set
Armstrong Pumps Standard Pump Flange Gasket-Set
Item # 523277

Standard Pump Flange Gasket. Gasket are available for all models. Long lasting and providing dielectric protection.

  • High quality
  • Factory replacement
  • Long lasting
  • Proven design
  • Fits Armstrong astro models
  • Fits Armstrong S and H models
  • Can be used on B and G models
  • Interchangeable with competing brands
  • Provides protection against leakage
  • Equal to B and G #118129
Units: Each
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Armstrong Pumps 1/2 in. x 1/2 in. Circulator Pump Coupler Flex Type
Armstrong Pumps 1/2 in. x 1/2 in. Circulator Pump Coupler Flex Type
Item # 3575251

Flex coupler to be used in S & H circulators. long lasting maintenance free design. coupling design provides quieter operation and easy installation.

  • Coupler
  • Flex Type (0.5in x 0.5in)
  • long lasting
  • easy to install
Units: Each
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Armstrong Pumps H-32 MF CI 1/6 HP Cast Iron Circulator Pump
Armstrong Pumps H-32 MF CI 1/6 HP Cast Iron Circulator Pump
Item # 3575258

Armstrong 3 piece circulators use a proven design that continues to evolve. the industry accepted flange configuration makes S & H circulators the a perfect solution when you need to change out pumps quickly. Maintenance free design uses permanently lubricated ball bearings. Easy to repair and rebuild

  • H-32MF (Maintenance Free) Cast Iron 1/6 hp, 115/1/60, Less Flanges
  • A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free
Units: Each
Qty:

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Armstrong Pumps Armstrong Astro 225SSU, Stainless Steel, 1-1/4 in. Union Connection
Armstrong Pumps Armstrong Astro 225SSU, Stainless Steel, 1-1/4 in. Union Connection
Item # 3575259

designed for quiet operation and long life, used for potable water recirculation systems. provides customers with years of trouble free operation. large wiring box and convenient plug-in terminal strip saves time. High flow valve is pre installed.

  • Astro 225SSU (Stainless steel, 1/4 in. union connection)
  • Wet rotor 75W- designed for quiet operation and zero maintenance
  • Perfect for recirculation systems using potable water
  • Built in check valve assures correct flow direction and cuts installation cost, no separate flow check required
  • Maintenance free
Units: Each
Qty:

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Armstrong Pumps S-25 1/12 HP Cast Iron Circulator Pump  with Impeller
Armstrong Pumps S-25 1/12 HP Cast Iron Circulator Pump with Impeller
Item # 3575256

Armstrong 3 piece circulators use a proven design that continues to evolve. the industry accepted flange configuration makes S & H circulators the perfect solution when you need to change a pump quickly. Maintenance free design uses permanently lubricated ball bearings. Easy to repair and rebuild.

  • S-25MF (Maintenance Free) Cast Iron 1/12 hp, 115/1/60, Less Flanges
  • A longer circulator life without maintenance (regular oil lubrication is not required) no more oil pools on floor
  • Stainless steel face plate, coupler face guard meets or exceeds OSHA standards
  • The standard for 65 years in hydronics
  • Repairable, replaceable, environmentally friendly and now maintenance free
Units: Each
Qty:

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Armstrong Pumps Armstrong Astro 230CI, Cast Iron, Flange Connection
Armstrong Pumps Armstrong Astro 230CI, Cast Iron, Flange Connection
Item # 3575261

The astro 230 Cast iron is designed for years of maintenance free service in your home heating system. Large wiring box and convenient plug-in terminal strip saves time. High flow check valve is pre-installed.

  • Astro 230CI (cast iron flange connection)
  • Wet rotor 97W, 3 speed covers most domestic heating applications
  • Built in check valve assures correct flow direction and cuts installation cost, no separate flow check required
  • Maintenance free
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Qty:

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Armstrong Pumps 1 in. LF Bronze Circulator Pump Flange NPT
Armstrong Pumps 1 in. LF Bronze Circulator Pump Flange NPT
Item # 3575255

lead free bronze flange. Heavy duty construction. universal designs allows it to used with competing pumps.

  • Flange Lead Free Bronze - 1" NPT
  • Hardware kit is not included (i.e. gasket, nuts and bolts)
  • for use with potable water systems
  • heavy duty
Units: Each
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