Product Overview
The Pentair 2″ Compool CPVC Check Valve | 263042 is a durable straight check valve designed for pool and spa plumbing systems. Built from chemical-resistant CPVC, this valve helps prevent water from flowing backward through the plumbing system while maintaining strong flow performance.
Designed for 2″ plumbing with 2.5″ outside slip compatibility, the 263042 is commonly used to protect pumps, heaters, chlorinators, solar systems, and other pool equipment from unwanted reverse flow. Its maintenance-free PTFE-coated diverter seal provides reliable sealing without requiring routine lubrication.
Ideal For
Pool and spa plumbing systems
Preventing backflow in circulation lines
Protecting pool heaters, pumps, and chlorinators
Equipment pads using 2″ plumbing
Solar pool heating applications
Salt system and chemical feeder protection
New construction and equipment pad repairs
Replacing worn or leaking check valves
Key Features
Genuine Pentair 2″ Compool check valve
Straight 2-port valve design
CPVC construction for chemical and heat resistance
2″ internal plumbing with 2.5″ outside slip compatibility
Maintenance-free PTFE-coated diverter seal
High-flow design helps reduce restriction
Lube-free operation
Helps prevent reverse water flow
Suitable for pool and spa circulation systems
Simple installation for compatible plumbing layouts
Benefits
The Pentair 263042 check valve helps protect pool equipment by allowing water to flow in one direction while blocking reverse flow. This is especially important near heaters, chlorinators, salt systems, solar lines, and elevated plumbing where backflow can cause equipment damage, drainage, or water chemistry issues.
Its CPVC body is built to handle demanding pool equipment pad conditions, while the PTFE-coated seal provides dependable shutoff without regular lubrication. The straight-through design supports strong hydraulic performance and makes it a reliable choice for 2″ pool plumbing systems.
Specifications
| Specification | Details |
|---|---|
| Brand | Pentair |
| Product Line | Compool |
| Product Type | Check Valve |
| Valve Type | Straight 2-Port Check Valve |
| SKU / Part Number | 263042 |
| Barcode / UPC | 788379644369 |
| Alternate GTIN | 789610230532 |
| Plumbing Size | 2″ internal / 2.5″ outside slip |
| Material | CPVC |
| Seal Type | PTFE-coated diverter seal |
| Operation | Lube-free / maintenance-free seal |
| Flow Design | High-flow check valve |
| Application | Pool and spa plumbing backflow prevention |
| Common Uses | Pumps, heaters, chlorinators, solar systems, and circulation plumbing |
| Product Weight | 1 lb |
| Manufacturer | Pentair |
Warranty & Compatibility
Professional installation is recommended for proper plumbing alignment, solvent welding, and leak prevention. Before ordering, confirm plumbing size, valve orientation, equipment layout, CPVC/PVC compatibility, and whether the installation requires a straight check valve or a different valve configuration.
This valve must be installed in the correct flow direction and allowed to cure according to the solvent cement manufacturers instructions before system startup.
Customer-Facing Q&A
Q: What model number is this check valve?
A: This listing is for the Pentair Compool CPVC Check Valve model 263042.
Q: What size plumbing does this valve fit?
A: It is designed for 2″ internal plumbing and 2.5″ outside slip compatibility.
Q: What is this valve used for?
A: It helps prevent water from flowing backward through pool and spa plumbing systems.
Q: Is this valve made from CPVC?
A: Yes. The Pentair 263042 is constructed from CPVC for chemical and heat resistance.
Q: Does this valve need lubrication?
A: No. It uses a maintenance-free PTFE-coated diverter seal and does not require routine lubrication.
Q: Can this be used near a pool heater or salt system?
A: Yes. Check valves are commonly used to help protect heaters, salt systems, chlorinators, and other equipment from reverse flow. Always confirm the correct plumbing layout before installation.
Q: What is the UPC?
A: The UPC listed on your Pool Supply Depot page is 788379644369.
Q: How much does it weigh?
A: The listed product weight is approximately 1 lb.
