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1003-44 Standard Flexible Coupling
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1003 Series · Standard Flexible Coupling
Fernco 1003-44 4" X 4" Clay to Ductile Iron Pipe Flexible Coupling Connector Sewer and Drain Coupler Adapter in Black
Part # 1003-44
- Flexible fit. Specifically designed to connect 4" clay to 4" ductile iron pipes.
- Unsurpassed durability. Provides a permanent, leak-proof solution for sewer, drain, waste, and vent piping needs, ensuring enduring...
- No-mess installation. Skip the messy glues, primers, and their unwanted odors with quick and hassle-free installation.
- American craftsmanship and compliance. Proudly manufactured in the USA for over 60 years.
1003 Series Size: 4" x 4", Clay
Connects Clay to Ductile Iron
Dimensions
| End 1 pipe OD range | 4.90" to 5.45" |
| End 2 pipe OD range | 4.40" to 4.90" |
| End 1 inside diameter | 5.30" |
| End 2 inside diameter | 4.75" |
| Length | 6.15 in |
| Width | 6.15 in |
| Height | 4.00 in |
| Weight | 1.1 lb |
Product details
Introducing the Fernco 1003-44 4" x 4" clay to ductile iron pipe coupling connector sewer and drain coupler adapter, the ultimate solution for seamless sewer, drain, and plumbing connections. Specifically designed to effortlessly connect 4" clay or pipes with outer diameters ranging from 4.9"-5.45" to 4" ductile iron pipes, or pipes with outer diameters ranging from 4.4"-4.9", guaranteeing a flexible fit for various applications. Crafted with unbeatable quality and performance in mind, Fernco couplings are constructed from elastomeric polyvinyl chloride and feature 300-GRADE stainless steel bands, ensuring a durable, leak-proof fitting resistant to chemicals and sewer gases.
Trusted by professionals and homeowners alike, Fernco couplings provide long-lasting, watertight seals for sewer and drain connections without the need for messy glues or primers. Suitable for seamless integration in both vertical and horizontal installations. With a maximum test pressure of 4.3 PSI and an intermittent operating temperature of 140 degrees f, these couplings are leak-proof, root-proof, and resistant to many chemicals, ultraviolet rays, fungus growth, and normal sewer gases, ensuring unmatched reliability and durability for your waterworks and plumbing needs. Proudly manufactured in the united states for over 60 years, Fernco is the trusted and preferred choice for dependable waterworks and plumbing solutions.
Unmatched quality and performance. Engineered for lasting durability in plumbing, sewer, and drain applications, Fernco couplings offer a robust, leak-proof fitting, resistant to chemicals and sewer gases.
The preferred pipe connector. Fernco couplings stand as the top choice for flexible pipe connections in waste, drain, and vent applications. Trusted by plumbers, contractors, and municipalities worldwide.
Specs and codes. Complies with ASTM d 5926, c 1173, CSA b602 and are up approved. Rated for above ground and below ground use. Maximum test pressure: 4.3 PSI.
Specifications
| Connection | Mechanical |
| Fitting type | Reducing Coupling |
| Flexible | Yes |
| Material | Elastomeric PVC, Stainless Steel |
| Color | Black |
| Standards | ASTM C1173, ASTM D5926, CSA B602, UPC |
| Application | Above Ground, DWV |
| Max test pressure | 4.3 psi |
| Temperature range | -30°F to 140°F |
Compliance
AIS and BABA compliant
Meets American Iron and Steel and Build America, Buy America requirements for government and municipal projects.
Drawings and downloads
Documents
Dimensional drawing
1003-44, PDF · 104.34 KB
Compare 1003 Series sizes
-
1003-44 (this part)
- Size
- 4" x 4"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 4.90" to 5.45" / 4.40" to 4.90"
- Strong Back RC
- 1003-44RC
-
- Size
- 4" x 4"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 5.15" to 5.85" / 4.90" to 5.10"
- Strong Back RC
- 1003-44WCRC
-
- Size
- 4" x 6"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 4.70" to 5.35" / 6.35" to 7.00"
- Strong Back RC
- 1003-46RC
-
- Size
- 5" x 4"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 5.80" to 6.20" / 4.90" to 5.10"
- Strong Back RC
- 1003-54RC
-
- Size
- 5" x 5"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 5.40" to 6.20" / 5.35" to 6.05"
-
- Size
- 6" x 4"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 7.00" to 7.60" / 5.10" to 5.80"
- Strong Back RC
- 1003-64RC
-
- Size
- 6" x 4"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 7.50" to 8.25" / 4.90" to 5.10"
-
- Size
- 6" x 5"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 7.05" to 7.75" / 5.80" to 6.00"
-
- Size
- 6" x 6"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 6.75" to 7.45" / 6.45" to 7.05"
- Strong Back RC
- 1003-66RC
-
- Size
- 6" x 6"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 7.50" to 8.25" / 6.55" to 7.20"
- Strong Back RC
- 1003-66WCRC
-
- Size
- 8" x 4"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 9.10" to 9.90" / 4.90" to 5.10"
-
- Size
- 8" x 6"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 9.10" to 9.90" / 7.10" to 7.30"
- Strong Back RC
- 1003-86RC
-
- Size
- 8" x 6"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 9.35" to 10.15" / 7.10" to 7.30"
- Strong Back RC
- 1003-86WCRC
-
- Size
- 8" x 8"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 9.10" to 9.75" / 8.60" to 9.25"
- Strong Back RC
- 1003-88RC
-
- Size
- 8" x 8"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 9.55" to 10.20" / 8.35" to 9.15"
- Strong Back RC
- 1003-88WCRC
-
- Size
- 10" x 8"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 12.00" to 12.70" / 8.95" to 9.15"
- Strong Back RC
- 1003-10-8RC
-
- Size
- 10" x 10"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 12.00" to 12.70" / 11.02" to 11.22"
- Strong Back RC
- 1003-1010RC
-
- Size
- 10" x 10"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 12.00" to 12.70" / 11.02" to 11.22"
- Strong Back RC
- 1003-1010WCRC
-
- Size
- 12" x 10"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 13.75" to 14.70" / 11.02" to 11.22"
- Strong Back RC
- 1003-1210RC
-
- Size
- 12" x 12"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 14.00" to 15.00" / 12.60" to 13.50"
- Strong Back RC
- 1003-1212RC
-
- Size
- 12" x 12"
- Pipe materials
- Western Clay to Ductile Iron
- Pipe OD range
- 14.50" to 15.45" / 13.10" to 13.30"
- Strong Back RC
- 1003-1212WCRC
-
- Size
- 15" x 10"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 17.00" to 18.30" / 11.02" to 11.22"
- Strong Back RC
- 1003-1510RC
-
- Size
- 15" x 12"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 17.00" to 18.30" / 13.10" to 13.30"
- Strong Back RC
- 1003-1512RC
-
- Size
- 15" x 15"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 17.00" to 18.65" / 16.10" to 16.75"
- Strong Back RC
- 1003-1515RC
-
- Size
- 15" x 16"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 16.50" to 18.00"
- Strong Back RC
- 1003-1516RC
-
- Size
- 18" x 18"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 20.85" to 22.50" / 19.40" to 19.60"
- Strong Back RC
- 1003-1818RC
-
- Size
- 24" x 24"
- Pipe materials
- Clay to Ductile Iron
- Pipe OD range
- 27.50" to 29.75" / 25.70" to 25.90"
- Strong Back RC
- 1003-2424RC
| Part | Size | Pipe materials | Pipe OD range (end 1 / end 2) | Strong Back RC Shielded version |
|---|---|---|---|---|
| 1003-44 (this part) | 4" x 4" | Clay to Ductile Iron | 4.90" to 5.45" / 4.40" to 4.90" | 1003-44RC |
| 1003-44WC | 4" x 4" | Western Clay to Ductile Iron | 5.15" to 5.85" / 4.90" to 5.10" | 1003-44WCRC |
| 1003-46 | 4" x 6" | Clay to Ductile Iron | 4.70" to 5.35" / 6.35" to 7.00" | 1003-46RC |
| 1003-54 | 5" x 4" | Clay to Ductile Iron | 5.80" to 6.20" / 4.90" to 5.10" | 1003-54RC |
| 1003-55 | 5" x 5" | Clay to Ductile Iron | 5.40" to 6.20" / 5.35" to 6.05" | |
| 1003-64 | 6" x 4" | Clay to Ductile Iron | 7.00" to 7.60" / 5.10" to 5.80" | 1003-64RC |
| 1003-64WC | 6" x 4" | Western Clay to Ductile Iron | 7.50" to 8.25" / 4.90" to 5.10" | |
| 1003-65 | 6" x 5" | Clay to Ductile Iron | 7.05" to 7.75" / 5.80" to 6.00" | |
| 1003-66 | 6" x 6" | Clay to Ductile Iron | 6.75" to 7.45" / 6.45" to 7.05" | 1003-66RC |
| 1003-66WC | 6" x 6" | Western Clay to Ductile Iron | 7.50" to 8.25" / 6.55" to 7.20" | 1003-66WCRC |
| 1003-84 | 8" x 4" | Clay to Ductile Iron | 9.10" to 9.90" / 4.90" to 5.10" | |
| 1003-86 | 8" x 6" | Clay to Ductile Iron | 9.10" to 9.90" / 7.10" to 7.30" | 1003-86RC |
| 1003-86WC | 8" x 6" | Western Clay to Ductile Iron | 9.35" to 10.15" / 7.10" to 7.30" | 1003-86WCRC |
| 1003-88 | 8" x 8" | Clay to Ductile Iron | 9.10" to 9.75" / 8.60" to 9.25" | 1003-88RC |
| 1003-88WC | 8" x 8" | Western Clay to Ductile Iron | 9.55" to 10.20" / 8.35" to 9.15" | 1003-88WCRC |
| 1003-10-8 | 10" x 8" | Clay to Ductile Iron | 12.00" to 12.70" / 8.95" to 9.15" | 1003-10-8RC |
| 1003-1010 | 10" x 10" | Clay to Ductile Iron | 12.00" to 12.70" / 11.02" to 11.22" | 1003-1010RC |
| 1003-1010WC | 10" x 10" | Western Clay to Ductile Iron | 12.00" to 12.70" / 11.02" to 11.22" | 1003-1010WCRC |
| 1003-1210 | 12" x 10" | Clay to Ductile Iron | 13.75" to 14.70" / 11.02" to 11.22" | 1003-1210RC |
| 1003-1212 | 12" x 12" | Clay to Ductile Iron | 14.00" to 15.00" / 12.60" to 13.50" | 1003-1212RC |
| 1003-1212WC | 12" x 12" | Western Clay to Ductile Iron | 14.50" to 15.45" / 13.10" to 13.30" | 1003-1212WCRC |
| 1003-1510 | 15" x 10" | Clay to Ductile Iron | 17.00" to 18.30" / 11.02" to 11.22" | 1003-1510RC |
| 1003-1512 | 15" x 12" | Clay to Ductile Iron | 17.00" to 18.30" / 13.10" to 13.30" | 1003-1512RC |
| 1003-1515 | 15" x 15" | Clay to Ductile Iron | 17.00" to 18.65" / 16.10" to 16.75" | 1003-1515RC |
| 1003-1516 | 15" x 16" | Clay to Ductile Iron | 16.50" to 18.00" | 1003-1516RC |
| 1003-1818 | 18" x 18" | Clay to Ductile Iron | 20.85" to 22.50" / 19.40" to 19.60" | 1003-1818RC |
| 1003-2424 | 24" x 24" | Clay to Ductile Iron | 27.50" to 29.75" / 25.70" to 25.90" | 1003-2424RC |
Also for above ground
Proflex shielded couplings
A stainless steel shield over the coupling for transitions between cast iron, plastic, steel and copper drain lines.
See Proflex
Made in the USA
Made for pros by pros
The 1003-44 is made in the USA. Fernco has built flexible couplings in Davison, Michigan since 1964, by people who take the work as seriously as you do.
Meet the team
Got questions about the 1003-44?
Send us a message and the right team will reply, usually within one business day. Or call us, Monday to Friday, 8:00 am to 5:00 pm ET.