Aladdin 1.5" Plug / Tailpiece / Union O-Ring O-125
Aladdin
SKU: O-125
Aladdin O-125 1-1/2" Plug, Tailpiece & Union O-Ring
The Aladdin O-125 is a multi-use replacement O-ring designed for compatible pool and spa equipment, including heater tailpieces, filter unions, return fittings, drain plugs, and valve connections. It creates a seal between mating components to help prevent water leaks and maintain proper equipment operation.
This replacement O-ring is compatible with several Hayward, Pentair, Jacuzzi, Doughboy, and Waterway applications. Common OEM replacements include Hayward SPX1022CZ2, Pentair 191474 and 51003400, and Waterway 805-0224B.
Product Features
- Genuine Aladdin replacement O-ring
- Manufacturer part number: O-125
- Designed for select 1-1/2" tailpieces, unions, plugs, and filter connections
- Compatible with several pool filter, heater, and valve assemblies
- Replaces multiple OEM O-ring part numbers
- Helps seal water connections and prevent leakage
- Suitable for replacing cracked, flattened, or deteriorated seals
- Sold individually as one O-ring
Product Details
| Brand | Aladdin |
| Part Number | O-125 |
| Product Type | Multi-Use Replacement O-Ring |
| Inside Diameter | 1-3/4" |
| Outside Diameter | 2" |
| Cross Section | 1/8" |
| Nominal Application Size | 1-1/2" Equipment Connections |
| Application | Pool and Spa Equipment Seals |
| Quantity | 1 O-Ring |
Compatibility
- Hayward SP-1022C Return Fittings using SPX1022CZ2
- Pentair Clean & Clear Filter connections requiring OEM part 191474
- Pentair Mytilus B 60, 80, and 100 Filter applications using 191474
- Select Pentair and American Products bronze and ABS slide valves requiring 51003400
- Doughboy Power Pak applications using 308-1016
- Jacuzzi Carefree Sand Filter connections requiring 47-0224-05-R or 47-0256-06-R
- Select Waterway ClearWater Filter unions and connections requiring 805-0224B
- Other equipment using an original O-ring that cross-references to Aladdin O-125
OEM Cross-Reference Part Numbers
- Hayward SPX1022CZ2
- Pentair 191474
- Pentair 51003400
- Doughboy 308-1016
- Jacuzzi 47-0224-05-R
- Jacuzzi 47-0256-06-R
- Waterway 805-0224B
- Anthony 017681
- American Granby 50-1100BSS
- Praher N-224
- SwimRite 28-828-657, 28-828-667, and 28-828-679
Compatibility varies by equipment model and sealing location. Verify the original OEM part number and O-ring dimensions before ordering.
Common Uses
- Replacing leaking 1-1/2" heater tailpiece seals
- Replacing compatible filter union O-rings
- Servicing Hayward return fitting plugs
- Replacing damaged filter drain plug seals
- Repairing compatible slide valve connections
- Routine pool equipment maintenance and seal replacement
Installation Notes
- Turn off the pool pump and connected equipment before service.
- Relieve all system pressure before opening filters, unions, or valve connections.
- Remove the existing O-ring and clean the sealing groove and mating surfaces.
- Inspect the fitting for cracks, scratches, or other damage.
- Install the replacement O-ring evenly without twisting or pinching it.
- Apply an approved O-ring lubricant only where recommended by the equipment manufacturer.
- Reassemble the equipment and inspect for leaks after restarting the system.
Related Products
- Hayward SPX1022CZ2 SP1022C Plug O-Ring
- Aladdin Magic Lube PTFE Lubricant, 1 oz | 630
- Aladdin Magic Lube II Silicone Lubricant, 1 oz | 650
Maintenance Tips
- Inspect O-rings whenever the associated equipment connection is opened.
- Replace seals showing cracks, flattening, stretching, or deterioration.
- Keep sealing surfaces clean and free of sand and debris.
- Avoid overtightening plastic fittings and unions.
- Replace damaged sealing components promptly to help prevent equipment leaks.
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.
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