Rola Chem 521170 Check Valve, Pvc Inj. 1/4NptRola Chem 521170 PVC Injection Check Valve 1 4" NPT The Rola Chem 521170 check valve is a high quality 1 4 inch NPT PVC injection check valve, designed to prevent backflow and protect your chemical feed systems in pool and spa applications. Purpose: Prevents chemical backflow, ensuring accurate and safe chemical feed in pool and spa systems Compatibility: Designed for use with Rola Chem peristaltic pumps, chemical feeders, and other systems requiring
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The Rola-Chem 521170 check valve is a high-quality 1/4 inch NPT PVC injection check valve, designed to prevent backflow and protect your chemical feed systems in pool and spa applications.
🔧 Purpose: Prevents chemical backflow, ensuring accurate and safe chemical feed in pool and spa systems
🧩 Compatibility: Designed for use with Rola-Chem peristaltic pumps, chemical feeders, and other systems requiring 1/4 inch NPT injection fittings
💧 Material: Durable PVC construction for excellent chemical resistance
🔒 Easy Installation: 1/4 inch NPT threaded ends for secure and leak-free connections
🚫 Prevents Backflow: Helps maintain correct chemical dosing and protects equipment from damage
🔄 Replacement Part Number: 521170 (also listed as RC521170 in some catalogs)
Applications:
Swimming pool chemical injection systems
Spa and hot tub chemical feed lines
Water treatment setups requiring check valves for chemical dosing
Installation Tips:
Install in the correct flow direction as indicated on the valve
Ensure all fittings are securely tightened to prevent leaks
Periodically check for wear or blockage to maintain proper operation
🛠️ Premier Pool & Spa carries a complete line of Rola-Chem parts, feeders, and accessories. Unsure if this is the correct check valve for your system? Contact our team for expert guidance.