🔥 71647 H.B. Smith 2" x 4-1/2" WNA Kit for Supply Drum (Water)
📦 Product Overview
The H.B. Smith 71647 Weld Nipple Assembly (WNA) Kit is designed for water supply drum applications requiring a secure, high-temperature sealed connection. This complete kit includes the weld nipple, locknut, split washer, and high-temperature seal needed for reliable installation and long-term performance in boiler and hydronic systems.
Engineered for durability and serviceability, the split-style components simplify installation and maintenance while maintaining dependable sealing performance under demanding operating conditions.
🔧 Key Features
- Complete Weld Nipple Assembly (WNA) kit
- Designed for water supply drum applications
- Includes beveled weld nipple for secure installation
- High-temperature split seal for reliable sealing performance
- Split washer design simplifies servicing and replacement
- Heavy-duty locknut provides secure mounting
- Built for commercial boiler and hydronic system applications
📊 Specifications
| Specification | Details |
|---|
| Part Number |
71647 |
| Brand |
H.B. Smith |
| Product Type |
Weld Nipple Assembly (WNA) Kit |
| Size |
2" x 4-1/2" |
| Application |
Supply Drum (Water) |
| Connection Type |
Weld Nipple |
| Seal Type |
Split Hy-Temp Seal |
📦 Kit Includes
| Included Component | Part Number | Description |
|---|
| Split Washer |
60302 |
2" Split Washer with Rivet |
| Lock Nut |
71604 |
2" Lock Nut |
| Split Hy-Temp Seal |
72001 |
2" High-Temperature Seal with String |
| Weld Nipple |
74227 |
WRN 2" x 4-1/2" |
⚠️ Common Symptoms This Kit Helps Repair
- Water leakage around supply drum connections
- Failed or deteriorated high-temperature seals
- Loose or damaged nipple assemblies
- Corrosion or wear around drum fittings
- Leaking boiler drum penetrations
❓ Frequently Asked Questions (FAQ)
Q: What is a WNA kit?
A: WNA stands for Weld Nipple Assembly, used to create a sealed connection on boiler or hydronic drum applications.
Q: Is this kit for steam or water applications?
A: This specific kit is designed for water supply drum applications.
Q: Does the kit include all sealing components?
A: Yes — the kit includes the split washer, locknut, split Hy-Temp seal, and weld nipple.
Q: What size connection is this kit designed for?
A: The assembly is designed for a 2" x 4-1/2" application.
🛒 Shopping Tips
- Verify nipple size and drum compatibility before ordering
- Inspect seals and washers during routine boiler maintenance
- Replace worn WNA components to prevent leaks and downtime
- Ensure proper welding and installation procedures are followed for best performance
