Armstrong 174031MF-013, Model S-25, Cast Iron In-Line Pump Without Flanges, Series S, 1/12 HP, 115 Volts, 1 Phase, 31 GPM Max, Maintenance Free Design
FREE SHIPPING ON THIS ITEM ! Offer applies to the lower 48 states and excludes Alaska, Hawaii, APO/FPO and international orders. Free standard shipping applies to U.S. orders only and to select items that meet UPS Standard Ground container/cube requirements. Free Shipping
FEATURES
Armstrong Series S Maintenance Free Circulator Pump
This Armstrong In-Line circulator is suitable for hydronic heating and cooling, multi-stage zoning and general industrial service applications. It is built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction. This circulator has been used by HVAC professionals for decades because it is cost-effective, durable and easy to maintain.
Features
- Maintenance free design which has permanently lubricated ball bearings and requires no maintenance at all
- Radially-split body can be left in-line while servicing pump, eliminating disconnecting of pipes
- Oversized shaft made from stainless steel
- Balanced centrifugal impeller ensures maximum water delivery in the HVAC system
- Proven seal design made from strong and long-lasting materials for extended operating life
- Three piece modular construction and back pull-out design for easy replacement of wear components
Note: Flanges are sold separately. Options include 116013-011, 116012-011, 116011-011, 116009-011.
Installation & Operating Instructions S&H In-Line ECM Circulators.pdf
Installation & Operating Instructions Only Clean Hydronic Systems Give Top Performance - Technical Data.pdf
Installation & Operating Instructions S&H Circulator, Coupler Replacement.pdf
Installation & Operating Instructions S&H Circulator, Seal Bearing Assembly.pdf
Cross Reference Chart S&H Seal Bearing Assembly.pdf
Quick Selection Chart Cast Iron Circulators.pdf
Product Warranty Replacement or Credit Request - Form.pdf
Submittal S Series.pdf
Installation & Operating Instructions In-Line Circulator.pdf
Submittal S&H In-Line ECM Circulators.pdf
Terms of Sale & Warranty.pdf
Installation & Operating Instructions Design and Care of Closed Hydronic Systems - Technical Data.pdf
Armstrong_Circulator Pumps_S Series_Repair Parts.pdf
Brand | Armstrong |
Mfg. Number | 174031MF-013 |
Model | S-25 |
Product Type | In-Line Circulator |
Application | HVAC/General Purpose |
Series | S |
Horsepower | 1/12 HP |
Voltage | 115 Voltss |
Phase | 1 |
Frequency | 60 Hz |
Speed | 1800 RPM |
Design | Three piece |
Motor Type | ODP |
Flanges | Sold Separately |
Maximum Flow | 31 GPM |
Meximum Head | 6 ft |
Pump Body | Cast iron |
Volute Material | Cast iron |
Impeller Material | Non-ferrous |
Thermal Overload Protection | Yes |
Maximum Operating Conditions | 125 psi at 225°F |
The Armstrong S series of in-line circulator pumps is suitable for domestic hot water systems. This series is built using a standard three-piece design that features a radially-split body, oversized shaft, centrifugal impeller, positive mechanical seal and modular construction. The S series has been used by HVAC professionals for decades because it is cost-effective, durable and easy to maintain. Features
- Maintenance free design which has permanently lubricated ball bearings and requires no maintenance at all
- Radially-split body can be left in-line while servicing pump, eliminating disconnecting of pipes
- Oversized shaft made from stainless steel
- Balanced centrifugal impeller ensures maximum water delivery in the HVAC system
- Proven seal design made from strong and long-lasting materials for extended operating life
- Three piece modular construction and back pull-out design for easy replacement of wear components
- Certified ≤ 0.25 weighted average percent lead and complies with California Health and Safety Code Section 116875 (commonly known as ab1953)
ARMSTRONG S SERIES CIRCULATOR PUMPS |
Armstrong S Series Circulator Pumps
Model Comparison Chart
Model | Flanges (NPT) | HP | Voltage | Material of Construction | GPM | Max. Head |
S-25 | Sold separately | 1/12 | 115 | Bronze | 31 | 6' |
S-35 | 2" | 1/6 | 115 | Cast Iron | 72 | 11' |
S-45 | Sold separately | 1/4 | 115 | Bronze | 109 | 16' |
S-46 | 3" | 1/3 | 115 | Cast Iron | 112 | 19' |
S-55-3 | 3" | 1/2 | 208-230/460 | Cast Iron | 121 | 24' |
S-35 | 2" | 1/6 | 115 | Bronze | 72 | 11' |
S-46 | 3" | 1/3 | 115 | Cast Iron | 112 | 19' |
S-55-1 | 3" | 1/2 | 115/230 | Cast Iron | 121 | 24' |
S-55-3 | 3" | 1/2 | 208-230/460 | Cast Iron | 121 | 24' |
S-57-3 | 3" | 3/4 | 208-230/460 | Cast Iron | 139 | 29' |
S-57-3 | 3" | 3/4 | 208-230/460 | Cast Iron | 139 | 29' |
S-57-1 | 3" | 3/4 | 115/230 | Cast Iron | 139 | 29' |
S-45 | Sold separately | 1/4 | 115 | Bronze | 109 | 16' |
S-55-3 | 3" | 1/2 | 208-230/460 | Bronze | 121 | 24' |
S-55-1 | 3" | 1/2 | 115/230 | Bronze | 121 | 24' |
S-69-1 | 3" | 1 | 115/230 | Cast Iron | 160 | 34' |
S-69-3 | 3" | 1 | 208-230/460 | Cast Iron | 160 | 34' |
S-57-3 | 3" | 3/4 | 208-230/460 | Bronze | 139 | 29' |
S-57-3 | 3" | 3/4 | 208-230/460 | Bronze | 139 | 29' |
S-57-1 | 3" | 3/4 | 115/230 | Bronze | 139 | 29' |
S-55-1 | 3" | 1/2 | 115/230 | Bronze | 121 | 24' |
S-55-3 | 3" | 1/2 | 208-230/460 | Bronze | 121 | 24' |
S-46 | 3" | 1/3 | 115 | Bronze | 112 | 19' |
S-57-1 | 3" | 3/4 | 115/230 | Bronze | 139 | 29' |
S-69-3 | 3" | Bronze | 1 | 208-230/460 | 160 | 34' |
S-69-1 | 3" | 1 | 115/230 | Bronze | 160 | 34' |
PERFORMANCE CURVES |
DIMENSIONS |
DESIGN INFORMATION |
MATERIALS OF CONSTRUCTION |
REPAIR PARTS |
*For a complete part listing please refer to the repair parts manual
BROCHURE |
Armstrong S Series Circulator Pump Brochure |
INSTALLATION MANUAL |
Armstrong S Series Circulator Pump Installation Manual |
REPAIR PARTS |
Armstrong S Series Circulator Pump Repair Parts |
Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.
Call Our Sales Counter For Assistance, Price Quotes, Availability & To Place An Order
Inspector Pumphead & Our Customer Service Representatives Are AvailableMon-Fri 7:30 am to 5:00 pm EST
Call Toll Free: 800-429-0800
*Note: Picture is illustrative and may not reflect the actual product.*