Charman Inc.
Stainless Corrugated Connector - 1-1/2" FIP x 1-1/2" FIP
- Availability:
- Usually in Stock – Ships Quickly
- Weight:
- 0.00 LBS
Description
Stainless Corrugated Connector - 1-1/2" FIP x 1-1/2" FIP
Charman Inc Stainless Corrugated Water Heater Connectors provide a flexible threaded connection for water heater and compatible plumbing installations. This connector family features 1-1/2" FIP connections on both ends with 304 stainless steel CSST construction and is available in 18" and 24" lengths.
The connector combines 304 stainless steel CSST manufactured to ASTM A240, chrome-plated brass HPb58-3 fittings, and a high-quality EPDM gasket. It is rated for working pressures up to 125 PSIG, intermittent impulse pressures up to 189 PSIG, and temperatures from -40°F to 180°F. Each connector is 100% leak tested.
Product Highlights
- Stainless corrugated water heater connector
- 1-1/2" FIP x 1-1/2" FIP connection configuration
- Female threaded connections on both ends
- 304 stainless steel CSST construction
- Stainless steel manufactured to ASTM A240
- Chrome-plated brass HPb58-3 fittings
- High-quality EPDM gasket
- Working pressure up to 125 PSIG
- Intermittent impulse pressure up to 189 PSIG
- Temperature range from -40°F to 180°F (82°C)
- Minimum bend radius of 2.5"
- 100% leak tested
- IAPMO/UPC Certified
- ASME A112.18.6 / CSA B125.6
- AB 1953 compliant and lead free
- Available in 18" and 24" lengths
Technical Specifications
| Product Type | Stainless Corrugated Water Heater Connector |
|---|---|
| Brand | Charman Inc |
| Connection Configuration | 1-1/2" FIP x 1-1/2" FIP |
| Connection 1 | 1-1/2" Female Iron Pipe |
| Connection 2 | 1-1/2" Female Iron Pipe |
| Tube Construction | 304 Stainless Steel CSST |
| Stainless Steel Standard | ASTM A240 |
| Fittings | Chrome-Plated Brass HPb58-3 |
| Gasket | High-Quality EPDM |
| Maximum Working Pressure | 125 PSIG |
| Intermittent Impulse Pressure | Up to 189 PSIG |
| Temperature Range | -40°F to 180°F (82°C) |
| Minimum Bend Radius | 2.5" |
| Testing | 100% Leak Tested |
| Available Lengths | 18" and 24" |
Certifications & Approvals
- IAPMO/UPC Certified
- ASME A112.18.6 / CSA B125.6
- AB 1953 Compliant - Lead Free
304 Stainless Steel CSST Construction
The corrugated tube is constructed from 304 stainless steel to ASTM A240. Its flexible corrugated design helps accommodate positioning and alignment between fixed plumbing connection points while providing durable metallic construction for compatible water applications.
Chrome-plated brass HPb58-3 fittings and a high-quality EPDM gasket complete the connector assembly.
Pressure & Temperature Performance
Pressure Ratings
- Working pressure up to 125 PSIG
- Intermittent impulse pressure up to 189 PSIG
- 100% leak tested
Temperature Range
- Minimum temperature: -40°F
- Maximum temperature: 180°F (82°C)
- Designed for compatible water applications within published limits
Understanding the Connection Configuration
1-1/2" FIP Connection
One end provides a 1-1/2" female threaded pipe connection designed to mate with a compatible 1-1/2" male threaded connection.
1-1/2" FIP Connection
The opposite end also provides a 1-1/2" female threaded pipe connection, creating a straight 1-1/2" FIP x 1-1/2" FIP connector configuration.
Available Connector Lengths
- 18" - SKU 173418
- 24" - SKU 173424
Both variants use the same 1-1/2" FIP x 1-1/2" FIP connection configuration. Select the required connector length according to the installation distance and routing requirements.
Choosing the Correct Length
Measure the required connection path before selecting a connector. Choose an 18" or 24" length that provides adequate routing without placing excessive tension, compression, or distortion on the corrugated stainless steel tube.
Maintain the specified 2.5" minimum bend radius and avoid sharp bends, kinks, crushing, or twisting during installation.

Ask Willy: Need Stainless Connector Help?
Review the Stainless Steel Water Heater Connector specification sheet for product, pressure, temperature, and dimensional information, or use the Charman Inc catalog to compare available connector sizes, lengths, and configurations before ordering.
Installation & Selection Guidance
- Confirm that the required configuration is 1-1/2" FIP x 1-1/2" FIP.
- Verify that both FIP ends mate with compatible 1-1/2" male threaded connections.
- Select the appropriate 18" or 24" connector length.
- Maintain a minimum bend radius of 2.5".
- Do not sharply bend, kink, crush, or twist the corrugated tube.
- Inspect the connector, fittings, threads, and gasket before installation.
- Align threaded connections carefully to avoid cross-threading.
- Use sealing practices appropriate for threaded plumbing connections.
- Do not exceed the 125 PSIG working-pressure rating.
- Use only within the specified -40°F to 180°F temperature range.
- Check completed connections for leaks before placing the system into service.
- Follow applicable plumbing codes, equipment instructions, and local requirements.
Need Help Selecting a Stainless Connector?
Our PVF specialists can help review your connection sizes, required connector length, pressure and temperature requirements, and installation configuration before you order.
Frequently Asked Questions
What connections does this connector have?
This connector has a 1-1/2" FIP female threaded connection on both ends.
What lengths are available?
This configuration is available in 18" and 24" lengths.
What is the corrugated tube made from?
The CSST tube is constructed from 304 stainless steel to ASTM A240.
What are the fittings made from?
The connector uses chrome-plated brass HPb58-3 fittings.
What gasket material is used?
The connector uses a high-quality EPDM gasket.
What is the maximum working pressure?
The connector is rated for working pressures up to 125 PSIG.
What is the intermittent impulse pressure?
The intermittent impulse pressure rating is up to 189 PSIG.
What is the temperature range?
The specified temperature range is -40°F to 180°F (82°C).
What is the minimum bend radius?
The minimum bend radius is 2.5".
Is the connector leak tested?
Yes. The connector is 100% leak tested.
Is this connector lead free?
Yes. It is AB 1953 compliant and lead free.
What certifications and standards apply?
The connector is IAPMO/UPC Certified and meets ASME A112.18.6 / CSA B125.6. It is also AB 1953 compliant and lead free.
Important Ordering Notes
- This listing is for 1-1/2" FIP x 1-1/2" FIP stainless corrugated connectors.
- Available lengths are 18" and 24".
- SKU 173418 is the 18" variant.
- SKU 173424 is the 24" variant.
- Maximum working pressure is 125 PSIG.
- Intermittent impulse pressure is up to 189 PSIG.
- Temperature range is -40°F to 180°F.
- Minimum bend radius is 2.5".
- Confirm compatible 1-1/2" male threaded mating connections before ordering.
- Review the linked specification sheet and catalog for additional product information.