Praher 1.5" SKT PVC Full Flow Union | 150-903

Praher SKU: PRA150903
Praher 1.5" SKT PVC Full Flow Union | 150 - 903 - Praher - img - 1

Praher 1.5" SKT PVC Full Flow Union | 150-903

Praher SKU: PRA150903
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Regular price $9.30
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Praher 1.5″ SKT PVC Full Flow Union | 150‑903

The Praher 150‑903 is a full-flow union fitting designed for 1½″ pool and spa plumbing systems. Featuring a male pipe thread (MPT) on one end and a socket slip (SKT) connection on the other, this union includes a high-quality O-ring for leak-free service and effortless maintenance access.

Key Features:

  • Union size: 1.5″ (nominal) SKT × MPT connection types
  • Full-flow design minimizes pressure drop and ensures optimal water circulation
  • Equipped with EPDM O‑ring seal for reliable leak protection
  • Constructed from durable, Schedule‑40 PVC in white finish
  • Pressure-rated up to approximately 50 psi, suitable for standard pool/spa systems
  • Simple disassembly and reassembly makes servicing filters, pumps, valves, and heaters easier

Technical Specifications:

  • Manufacturer: Praher Plastics Canada Ltd.
  • Part Number: 150‑903
  • Connection A (Thread): 1.5″ Male Pipe Thread (MPT)
  • Connection B (Socket): 1.5″ Slip (SKT)
  • Material: Schedule‑40 PVC, with EPDM O‑ring
  • Pressure Rating: ~50 psi
  • Color: White
  • Weight: ~0.45 lb (≈7 oz)

The Praher 150‑903 union provides a reliable, reusable plumbing coupling solution for pool and spa installations. Its union design allows users to easily disconnect equipment for repair or cleaning, avoiding damage to glued fittings. Its full-flow format ensures minimal hydraulic resistance, making it ideal for maintaining efficient circulation systems.

Installation Tip: When installing, ensure the threaded end connects to the proper port and apply a small amount of approved PVC-compatible lubricant to the O‑ring to facilitate a snug, leak-free seal. Regularly check the O‑ring and union nut for wear or cracking and replace if needed to prevent leaks.

SKU: 150-903

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.