CMP 1-1/2 Inch Socket x Socket Flush Union | 21053-150-000
CMP
SKU: 21053-150-000
CMP 21053-150-000 1-1/2 Inch Socket x Socket Flush Union
The CMP 21053-150-000 is a flush union designed for compatible pool and spa plumbing applications. It is commonly identified by CMP as a 1-1/2 inch socket x socket flush union, and seller listings also describe it as a 1-1/2 inch slip x 2 inch spigot flush union, making it a practical low-profile union for equipment connections that may need future service or removal.
Features
- Genuine CMP plumbing union
- Part number: 21053-150-000
- Flush union design
- Commonly listed by CMP as 1-1/2 inch socket x socket
- Often also described by sellers as 1-1/2 inch slip x 2 inch spigot
- White PVC construction
- Low-profile union style
- Common compare-to part: Hayward SP14952S
- Designed for compatible pool and spa plumbing systems
- Helps simplify future plumbing service and equipment removal
Applications
This flush union is used in compatible pool and spa plumbing systems where a compact union connection is needed for serviceable equipment connections. It is commonly installed near pumps, filters, heaters, and other circulation components where disconnecting the plumbing without cutting pipe is important.
Important Notes
- Verify pipe size and union compatibility before ordering
- CMP identifies this fitting as a 1-1/2 inch socket x socket flush union
- Some seller listings also describe the tail side as fitting 2 inch spigot plumbing
- Inspect O-rings and sealing surfaces during installation
- Do not overtighten the union nut to help avoid damage
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Maintenance Tips
- Inspect union O-rings regularly for wear, flattening, or cracking
- Keep sealing surfaces clean when disconnecting and reconnecting plumbing
- Replace worn O-rings promptly to help prevent leaks
- Check nearby plumbing for stress or misalignment during routine service
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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