1-1/2" IPS PVC Clear True Union Spring Check Valve (Socket) | 1700C15

1-1/2" Clear PVC True Union Spring Check Valve | Backflow Preventer | 1700C15

Durable 1-1/2" IPS Clear PVC Spring Check Valve (1700C15) prevents backflow, resists harsh pool and irrigation chemicals, and allows easy maintenance and inspection.

Features & Benefits:

• Clear PVC body allows instant visual inspection of water flow
• True union design — no cutting required for removal or servicing
• 1/2 lb. stainless steel spring reliably blocks reverse flow
• Highly resistant to chlorine, saltwater, and acidic water chemistry
• EPDM seals ensure long-term leak protection and durability
• Connects easily to 1-1/2" slip x slip PVC plumbing systems
• Perfect for pools, spas, irrigation systems, and chemical feeders

The NDS 1700C15 1-1/2" Clear PVC True Union Spring Check Valve delivers chemical-resistant, one-way flow protection for demanding pool and irrigation systems. The transparent body provides fast visual confirmation of valve operation, while the true union slip x slip ends allow tool-free service without cutting pipe.

Built for performance, this valve features a 1/2 lb. stainless steel spring that opens under forward pressure and immediately closes to stop backflow. Its chemically resistant PVC body and EPDM seals stand up to chlorine, salt systems, and acidic water. Ideal for safeguarding heaters, pumps, and sensitive equipment.

Engineered for fast installs, minimal maintenance, and high reliability, this backflow prevention valve keeps your system flowing efficiently without the guesswork.

Pro Tip:

Install this valve immediately after your chlorine feeder or salt system to protect your pump and heater from chemical backflow and extend their lifespan.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.