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Waterway 417-5140 2" MBT x 2" MPT Heater Tailpiece
Waterway 417-5140 2" MBT x 2" MPT Heater Tailpiece
Waterway 417-5140 2" MBT x 2" MPT heater tailpiece ensures a secure, leak-free connection for pool and spa heater systems.
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The Waterway 417-5140 2" MBT x 2" MPT heater tailpiece provides a reliable connection between pool and spa heaters for secure performance.
Designed with precision threading, this tailpiece ensures a leak-free fit with both male buttress thread (MBT) and male pipe thread (MPT) connections.
Constructed from durable materials, it withstands heat, pressure, and regular water exposure for long-term reliability.
Its lightweight yet sturdy build makes installation straightforward, reducing maintenance and service time.
Backed by Waterway’s reputation for quality, this tailpiece is a dependable choice for professionals and homeowners alike.
⭐⭐⭐⭐⭐
Customers highlight the tailpiece’s strong build and excellent resistance to leaks.
Many appreciate how well the threading matches up with heater unions, making it easy to achieve a tight seal.
Reviewers note that installation is fast and simple, even for those with little experience.
Several buyers also mention that the product offers excellent value compared to other replacement heater fittings.
- Brand: Waterway
- Model: 417-5140
- 2" MBT x 2" MPT heater tailpiece
- Compatible with pool and spa heater systems
- Precision threading for a tight, leak-free connection
- Strong construction for durability and long service life
- Lightweight and easy to install
- Suitable for both residential and professional applications
- Brand: Waterway
- Weight: 0.2127 lb
- Master carton quantity: 45
- Minimum sell quantity: 1
- Pallet quantity: 1
- UPC code: 806105085757
Q: What type of threads does this heater tailpiece use?
It features a 2" male buttress thread (MBT) on one side and a 2" male pipe thread (MPT) on the other for versatile compatibility.
Q: Is this part compatible with all heater brands?
This tailpiece is designed for standard 2" heater unions and is widely compatible, but it’s best to check the specifications of your heater model.
Q: Can I install this heater tailpiece myself?
Yes, its lightweight design and threaded ends make it straightforward to install, though professional installation is recommended for best results.

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Waterway is a trusted name in pool and spa equipment, offering dependable pumps, filters, jets, and plumbing components engineered for lasting performance. Whether you're building new or replacing parts, Waterway products are designed to keep your system running efficiently. At AquaDoc, we stock a wide selection of Waterway pool and spa supplies to support smooth operation and easy maintenance.
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