Name: Armstrong S-45 Series S In-line Circulator 2-1/2 to 3" Flg 1/4HP 115v 1Ph 174036MF-113
Brand: Armstrong
SKU: 4760
Availability: BackOrder

Armstrong S-45 Series S In-line Circulator 2-1/2 to 3″ Flg 1/4HP 115v 1Ph 174036MF-113Armstrong

$2,169.20

Armstrong S-45 Series S In-line Circulator 2-1/2 to 3″ Flg 1/4HP 115v 1Ph 174036MF-113

The Armstrong Pump S-45 is a 1/4 HP, single phase circulator pump that features a radially-split bronze-fitted body, oversized stainless steel “maintenance free” shaft, centrifugal non-ferrous impeller, sintered silicon carbide seal, and modular construction. This model has a shaft and bearing module that can be easily removed and replaced. Armstrong Pump Series S & H circulator pump deploy a proven fixed-speed design that is cost-effective, durable, and easy to maintain. Models are available in the traditional sleeve-bearing design as well as the new, permanently-lubricated, maintenance-free design. The three piece modular construction, which uses a universal replacement shaft and bearing module, and the back pull-out design allows for easy replacement of wear components. Series S & H in-line circulators are suitable for applications such as hydronic heating and cooling, domestic water systems, multi-stage zoning, and general industrial service.

Typically ships in 1-2 weeks.

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BrandArmstrong

StatusAvailable on backorder

CategoriesArmstrong

Please note that we ship Monday - Friday 8:00 AM - 4:30PM PST. Orders are processed as quickly as possible.

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Armstrong S-45 Series S In-line Circulator 2-1/2 to 3″ Flg 1/4HP 115v 1Ph 174036MF-113

Typically ships in 1-2 weeks.

Additional information

Weight	45 lbs
Dimensions	19 × 12 × 9 in

Specifications

Brand	Armstrong Fluid Technology
MPN	174036MF-113
Armstrong Pumps Series	Series S
Model	S45-1-BF
Pump Construction	Cast Iron-BF (Brz Fitted)
Pump Type	Circulator
Pump Class	Booster
Pump Mounting	In-Line
Pump Connection Size	2-1/2″, 3″
Pump Connection	Flanged
Flanges Included	No
Motor HP	1/4 HP
Motor RPM	1800 RPM
Motor Voltage	115V
Motor Phase	1 Ph
Motor Hertz	60 Hz
Motor Enclosure	ODP
Working Pressure	125 psi
Max Temp	225°F
Potable Water	No
UPC	672807409692
Replaces	174036-113
Weight	43.98

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F.A.Qs

Frequently asked questions

What does Inline Sales & Services Ltd. specialize in?

Inline Sales & Services Ltd. specializes in hydronic pumps, pump systems, parts, and related solutions for commercial, industrial, and HVAC applications. We provide sales, service, and technical support to customers throughout British Columbia and across Canada.

Where are you located?

We are located in Surrey, British Columbia, and serve customers locally in the Lower Mainland as well as nationwide.

Do you ship across Canada?

Yes. We ship pumps, parts, and equipment anywhere in Canada. Shipping options and timelines vary depending on product availability and destination.

What types of pumps do you supply?

We supply a wide range of pumps, including:

Hydronic pumps
Circulation pumps
Inline pumps
End suction pumps
Booster pumps
HVAC and mechanical system pumps

Do you sell pump parts?

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Do you sell pump parts?

Yes. We carry and source a wide selection of pump parts, including seals, bearings, impellers, motors, and gaskets. If we don’t have a part in stock, we can usually source it quickly.

Do you work with Bell & Gossett pumps and parts?

Yes. Inline Sales & Services Ltd. has extensive experience with Bell & Gossett pumps and replacement parts, including repairs and upgrades.

Can you help identify the correct pump or replacement part?

Absolutely. Our knowledgeable team can help you identify the correct pump or part based on your system requirements, model numbers, or application details.

Do you offer pump repair services?

Yes. We provide professional pump repair and service solutions for many makes and models. Our goal is to restore performance, extend equipment life, and minimize downtime.

How do I place an order?

You can place an order by contacting us directly by phone or email. Our team will confirm availability, pricing, and shipping details.

How can I contact Inline Sales & Services Ltd.?

You can reach us by phone or email, or by using the contact form on our website. We’re happy to answer questions, provide quotes, or assist with technical inquiries.

Armstrong

The Armstrong circulator pump is one of the best on the market and with their expertise in fluid flow, heat transfer, variable speed, and demand based control, Armstrong Fluid Technology leads the fluid systems industry, including plumbing and hvac in providing the most energy efficient and cost effective solutions to building professionals and owners around the globe. We carry both the commercial and residential line of Armstrong Pumps including commercial series 4030 base mounted end suction pumps, series 5200 & 5240 sump sewage pumps and series 4300 vertical in-line pumps, series 4360 vertical in-line pumps, 4380 vertical in-line pumps. Most residential pumps are normally stocked including the Armstrong Astro circulators, Armstrong series E.2 circulators and the Armstrong series S&H 3-piece circulating pumps.

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PLEASE NOTE THAT PAYMENTS TERMS ARE DUE UPON RECEIPT UNLESS OTHERWISE STATED. THERE IS A 25% RESTOCKING CHARGE ON RETURNED ITEMS UNUSED WITHIN 30 DAYS. NO RETURNS ON SPECIAL/CUSTOM ORDERS INCLUDING NEW PUMP BUILDS, HEAT EXCHANGERS, CUSTOM PUMP ORDERS, MANUFACTURED ITEMS. **NOTE: CLEARANCE ITEMS ARE SOLD AS IS, NEW IN BOX. NO WARRANTY AND NO RETURNS ON ALL CLEARANCE ITEMS.