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PPP PR-500 Prime-Rite Trap Primer Valve: Automatic Protection for Floor Drain Traps
The PPP PR-500 Prime-Rite Trap Primer Valve is an innovative trap priming system that automatically maintains water seals in floor drain traps. Designed and manufactured by Precision Plumbing Products in Portland, Oregon, this patented system requires no adjustment and can prime up to two floor drain traps using PPP's specialized water distribution system. The PR-500 delivers reliable performance for commercial, industrial, and institutional plumbing systems.
Performance Benefits
| Feature | Specification | Benefit |
|---|---|---|
| Operating Range | 20-80 PSIG (138-552 kPa) | ā Versatile Installation Options |
| Activation Pressure | 10 PSIG (70 kPa) Drop | ā Reliable Automatic Operation |
| Distribution Capacity | Up to 2 Floor Drains | ā Cost-Effective Solution |
| Construction | C69300 ECO Brass | ā Durable, Corrosion-Resistant Design |
How It Works: Innovative Trap Priming Technology
Stage 1: Pressure Drop Activation
Function: The valve automatically activates when it senses a pressure drop of 10 PSIG (70 kPa) in the water line
Benefit: No manual operation or electrical components required, ensuring reliable performance with minimal maintenance
Stage 2: Metered Water Distribution
Function: Delivers a precise amount of water through the patented distribution system to floor drain traps
Benefit: Maintains proper water seal in traps to prevent sewer gas infiltration and odors
Key Features
- ā No Adjustment Required: Install and forget design requires no calibration or regular adjustment
- ā Premium Materials: Constructed from C69300 ECO corrosion-resistant brass with EPDM E70 O-rings and stainless steel mesh screen
- ā No Moving Parts to Fail: Contains no springs, diaphragms, or plastic parts that could wear out or break
- ā Lead-Free Certified: NSF-372 certified for use in potable water systems
- ā Patented Design: Protected by US Patent No. 4,497,337 for reliable, proven performance
Comparison to Unprotected Floor Drains
| Issue | With PPP PR-500 | Unprotected Floor Drains |
|---|---|---|
| Sewer Gas Infiltration | Prevented by Maintained Water Seal | Common Problem as Trap Water Evaporates |
| Maintenance Requirements | Automatic Operation, Minimal Maintenance | Regular Manual Refilling of Traps Required |
| Health & Safety Risks | Minimized Through Consistent Protection | Potential Exposure to Harmful Gases |
| Odor Control | Effective Elimination of Sewer Odors | Recurring Odor Issues |
| Code Compliance | Meets Building Code Requirements | May Not Satisfy Code Requirements |
Distribution Units
- ā DU-4 & DU-U: Distributes water to up to two floor drain traps
- ā Installation Requirements: Must be installed level, with clear plastic cover, and with access for periodic inspection
- ā Debris Protection: Use debris loop to prevent foreign material from entering the primer
Educational Resources
Learn more about trap primers and the PPP PR-500 with these helpful guides:
What's Included
- 1 Ć PPP PR-500 Prime-Rite Trap Primer Valve
- Installation instructions
Note: This product is backed by Precision Plumbing Products' manufacturer warranty against defects in materials and workmanship. For complete warranty information, please refer to the documentation included with your purchase.