Product Overview

Weld-On® 746 Heavy Glue in clear is a professional-grade, heavy-bodied PVC solvent cement designed for strong, reliable bonding on pool and spa plumbing systems. Its clear formula creates a cleaner-looking joint, making it ideal for visible plumbing areas where a neat finish matters.

Engineered for use with rigid PVC pipe and fittings, Weld-On® 746 offers excellent gap-filling properties, medium set time, and high-strength performance for demanding pool equipment installations and repairs. It is suitable for all classes and schedules of rigid PVC pipe and fittings, including Schedule 80, with interference fit applications up to 12 inches in diameter. It may also be used on non-pressure applications up to 18 inches in diameter.

Ideal For

Weld-On® 746 Clear Heavy Glue is ideal for pool professionals, service technicians, builders, and homeowners working on PVC plumbing for:

• Pool equipment pads
• Pumps and filters
• Heaters and chlorinators
• PVC pipe repairs
• Spa plumbing
• New pool plumbing installations
• Schedule 40 and Schedule 80 PVC applications
• Visible plumbing where clear cement is preferred

Key Features

Heavy-Bodied Formula

The thick, heavy-bodied consistency helps fill small gaps between pipe and fitting surfaces, making it a dependable choice for pool plumbing connections.

Clear Finish

The clear color provides a cleaner appearance than gray cement, especially on visible plumbing lines and equipment pad installations.

Medium Set Time

The medium set formula allows time for proper application and assembly while still supporting efficient installation work.

High-Strength PVC Bonding

Designed to create strong, long-lasting solvent-welded joints on rigid PVC pipe and fittings.

Pool & Spa Plumbing Ready

Formulated for demanding pool environments where durable PVC connections are essential.

Low VOC Formula

Weld-On® 746 is made with a low VOC formulation, supporting professional use where compliant products are required.

Benefits

• Creates strong, reliable PVC pipe joints
• Helps reduce visible glue marks with a clear finish
• Heavy-bodied consistency supports better gap filling
• Suitable for professional pool plumbing applications
• Works with all classes and schedules of rigid PVC pipe and fittings
• Compatible with Schedule 80 PVC
• Great for equipment pad plumbing and repair work
• Convenient 1-quart size for service, installation, and maintenance jobs

Specifications

Customer-Facing Q&A

Q: What is Weld-On® 746 Heavy Glue used for?
A: Weld-On® 746 is used for bonding rigid PVC pipe and fittings, especially in pool and spa plumbing systems.

Q: What is the SKU for this product?
A: The SKU is 13563.

Q: What is the barcode or UPC?
A: The barcode / UPC is 012181135631.

Q: Is this glue clear or gray?
A: This version is clear, making it a good choice when you want a cleaner-looking finished joint.

Q: Can I use this on Schedule 80 PVC?
A: Yes. Weld-On® 746 is suitable for all classes and schedules of rigid PVC pipe and fittings, including Schedule 80.

Q: What pipe size can this be used on?
A: It is designed for pressure applications up to 12 inches in diameter with interference fit and non-pressure applications up to 18 inches in diameter.

Q: Is this a fast-setting glue?
A: Weld-On® 746 is a medium-set cement, giving users more working time than very fast-setting formulas while still supporting efficient installation.

Q: Is this good for pool equipment plumbing?
A: Yes. This cement is commonly used for pool equipment pad plumbing, including pumps, filters, heaters, chlorinators, and PVC repair work.

Q: Do I need primer with this product?
A: Follow local code requirements and the manufacturer’s installation instructions. In many PVC plumbing applications, primer is recommended or required before applying solvent cement.

Why Choose Weld-On® 746 Clear Heavy Glue?

Weld-On® 746 Clear Heavy Glue is a trusted choice for pool and spa PVC plumbing because it combines a heavy-bodied formula, strong bonding performance, and a clean clear finish. Whether you are installing new equipment, repairing existing plumbing, or building out a pool system, this 1-quart can provides the professional-grade performance needed for durable PVC connections.