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Jandy 2" x 2-1/2" Tail Piece, O-Ring & Coupling Nut | R0446101

Jandy SKU: R0446101
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-1
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-2
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-4
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-3
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-5
Jandy ePump Unions w/ O-Rings 2" X 2.5" R0446101 - Pool Pump Parts - img-6

Jandy 2" x 2-1/2" Tail Piece, O-Ring & Coupling Nut | R0446101

Jandy SKU: R0446101
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Jandy R0446101 – Tail Piece Kit 2" x 2½"

Product Overview

The Jandy R0446101 Tail Piece Kit is an OEM replacement kit designed for Jandy ePump and Stealth series pool pumps. This kit includes two tail-piece unions, coupling nuts and O-rings, allowing proper adaptation from the pump outlet to 2½″ plumbing.

Key Features

  • Includes two tail-pieces sized 2″×2½″ to match common pump-to-plumbing transitions.
  • Direct replacement kit for Jandy Stealth (SHPF/SHPM) and ePump (JEP) models.
  • Includes coupling nuts and O-rings for a complete secure connection.
  • Maintains proper hydraulic alignment and reliable sealing in high-performance pump setups.

Technical Specifications

  • Part Number: R0446101
  • Configuration: Two (2) tail pieces plus two O-rings and two coupling nuts
  • Size: 2″ internal tail-piece to 2½″ external plumbing connection

Compatibility & Installation Notes

This kit fits select Jandy variable- and single-speed pumps where the inlet/outlet plumbing requires a 2″ to 2½″ transition. Before installation, verify your pump’s model number, tail-piece size and plumbing connections. Proper fit ensures reliable flow, minimal turbulence and long-term sealing integrity.

Installation Instructions

  • Turn off power to the pump and relieve system pressure before servicing.
  • Remove the existing tail-pieces, coupling nuts and O-rings, and inspect the pump outlet for damage.
  • Install the new O-rings onto the new tail-pieces, insert the tail-pieces into the pump outlet ports, and secure with the new coupling nuts.
  • Ensure plumbing is aligned and torqued correctly to avoid stress on the union joints.
  • Restore power and pump operation, then inspect for leaks at the unions and verify proper flow.

Troubleshooting

  • Leak at union joint: Ensure O-ring is seated properly, coupling nut is tight, and tail-piece is fully inserted.
  • Reduced flow or vibration: Verify the plumbing transition is correct size, and the tail-piece is appropriately sized for your pump outlet.
  • Difficulty aligning plumbing: Check that the tail-pieces are installed flush and the coupling nuts are not cross-threaded or over-tightened.

Maintenance Tip

Inspect the union connections during routine pump service—remove the coupling nuts, check the O-rings for wear or deformation, and replace them if necessary. Keeping the union interface in good condition helps maintain pump efficiency and prevents motor or plumbing stress from misalignment over time.

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return, please complete an RMA form prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Please complete the return form to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.