Weld-On 790 Multi-Purpose PVC Cement 8oz: Pro Results at Home
By Maintenance Depot Plumbing Team · Last reviewed
Quick answer
Weld-On 790 Multi-Purpose Cement (8oz) is professional-grade cement for PVC and CPVC repairs at home, such as supply lines, water heater connections and irrigation fixes.
Weld-On 790 Multi-Purpose PVC Cement (8oz) brings professional-grade bonding to home repairs and small jobs. It works on both PVC and CPVC, so you don't have to guess which cement you need.
Specs at a glance
| Spec | Detail |
|---|---|
| Product | Multi-purpose solvent cement |
| Brand / model | Weld-On 790 |
| Size | 8oz |
| For | PVC and CPVC, all classes and schedules |
| Max diameter | Interference fit up to 6" |
Features
- Bonds PVC and CPVC
- Deep, high-contact fusion between pipe and fittings
- For interference fit up to 6" diameter
- Suitable for all classes and schedules of rigid PVC and CPVC
Ideal for
- Repairing supply lines under sinks and in walls
- Water heater connections in CPVC
- Garden and irrigation repairs
- Small renovation projects
PVC vs CPVC: what's the difference?
- PVC (usually white) is used for cold water and drains.
- CPVC (often cream or tan) handles hot water as well.
Weld-On 790 bonds both, which makes it handy when an older home has a mix.
Steps to a strong joint
- Cut square and deburr.
- Clean with a pipe cleaner.
- Apply cement to the pipe and socket.
- Join with a quarter turn and hold.
- Let it cure before turning on the water.
Bigger job?
Choose the 32oz size for large projects or professional use.
Frequently asked questions
What is the difference between PVC and CPVC?
PVC is used for cold water and drains; CPVC also handles hot water.
Is 8oz enough for a home project?
It suits repairs and small renovations; choose 32oz for large jobs.
How do I make a good joint?
Cut square, deburr, clean, cement both surfaces, join with a quarter turn and hold.
Buy Weld-On 790 Multi-Purpose PVC Cement 8 Oz at Maintenance Depot