Description
Blue Thumb Check Valve Kits prevent water from draining back into a skimmer, basin, or reservoir when a submersible pump shuts off. Each kit includes a spring-loaded check valve with threaded slip × slip unions on both ends for fast inline installation and easy service. Two pipe sizes: 1.5" for most backyard pond pumps up to ~2,500 GPH, and 2" for high-flow installations and commercial-scale waterfalls.
Key Features
- Spring-loaded poppet prevents water from draining back to skimmer or reservoir when the pump is off
- Threaded slip × slip unions on both ends for service without cutting plumbing
- Two pipe sizes — 1.5" for most pond pumps, 2" for high-flow / commercial
- Extends pump life by preventing water hammer and dry-start cycling
- PVC body — chemical and UV resistant
What's Included
- Spring-loaded check valve body
- Threaded slip × slip unions on both ends for inline installation
- PVC construction for chemical compatibility
Specifications
| Specification | 1.5" | 2" |
|---|---|---|
| Pipe Size | 1.5" slip × slip | 2" slip × slip |
| Check Mechanism | Spring-loaded poppet | Spring-loaded poppet |
| Body Material | PVC | PVC |
| Service Unions | Threaded unions both ends | Threaded unions both ends |
| Recommended For | Pumps up to ~2,500 GPH | Pumps 2,500+ GPH or commercial |
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