Pool Filter Pump-Hose-Valve SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack
Two black SX180HG replacement drain caps for Hayward Pro Series pool sand filters.
SX180HG pool sand filter drain cap with labeled dimensions for Hayward Pro Series filter compatibility.
Close-up of SX180HG pool sand filter drain cap featuring high-impact ABS plastic construction and non-slip grip edge.
SX180HG pool sand filter replacement drain cap for Hayward Pro Series filters.
Two black SX180HG pool sand filter drain caps for Hayward Pro Series filters.
SX180HG pool sand filter drain cap with rubber gasket for leak-resistant seal on Hayward Pro Series filters.
Compatibility chart showing Hayward Pro Series sand filter models for SX180HG drain cap replacement.
Hand installing SX180HG pool sand filter drain cap onto a Hayward Pro Series filter tank.
Comparison infographic showing BlueStars SX180HG pool sand filter drain cap features versus standard alternatives.
Two black SX180HG replacement drain caps for Hayward Pro Series pool sand filters.
SX180HG pool sand filter drain cap with labeled dimensions for Hayward Pro Series filter compatibility.
Close-up of SX180HG pool sand filter drain cap featuring high-impact ABS plastic construction and non-slip grip edge.
SX180HG pool sand filter replacement drain cap for Hayward Pro Series filters.
Two black SX180HG pool sand filter drain caps for Hayward Pro Series filters.
SX180HG pool sand filter drain cap with rubber gasket for leak-resistant seal on Hayward Pro Series filters.
Compatibility chart showing Hayward Pro Series sand filter models for SX180HG drain cap replacement.
Hand installing SX180HG pool sand filter drain cap onto a Hayward Pro Series filter tank.
Comparison infographic showing BlueStars SX180HG pool sand filter drain cap features versus standard alternatives.

SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack

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SX180HG Pool Sand Filter Drain Cap and Gasket

Key Features

  • Package contains: 2 drain caps and 2 gaskets
  • Constructed from durable plastic material
  • Includes rubber gasket for a secure, leak-free seal
  • Designed for hand-tightening to prevent over-torquing

Replaces / Cross-Reference Part Numbers

  • SX180HG

Compatibility & Fitment

  • Fits Hayward Pro Series Sand Filter Models:
  • S140T
  • S144T
  • S164T
  • S166T
  • S180T
  • S210T
  • S220T
  • S220T2
  • S230T
  • S244T

When to Replace

  • Visible water leakage from the filter drain port
  • Cracks, stripped threads, or physical damage to the existing cap
  • Gasket is brittle, cracked, deformed, or missing
  • Cap will no longer tighten securely

Installation Tips

  • Turn off the pool pump and relieve system pressure before installation.
  • Ensure filter threads are clean and free of debris.
  • Confirm the gasket is properly seated inside the new cap.
  • Hand-tighten the cap until snug. Do not use tools, as this can damage the cap or filter body.
SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 1
SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 2
SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 3
SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 4
  • SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 1

    INCLUDES RUBBER GASKETS

    Provides a strong, leak-resistant seal to prevent water leakage
  • SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 2

    EASY TO USE

    Twists easily for simple installation and removal
  • SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 3

    BUILT TO LAST

    Built with tough, thick plastic to withstand daily wear in pool environments.
  • SX180HG Pool Sand Filter Drain Cap & Gasket - For Hayward Pro Series Sand Filter Models S140T S144T S164T S166T - 2 Pack 4

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
COMPATIBLE MODELS

COMPATIBLE MODELS

Fits Hayward Pro Series Sand Filters S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T | Fits High Rate Sand Filters S170TSCPE, S190TSCPE, S190TSCPFT, S190TSCPT | Fits Pro Series Plus Sand Filters S311SX, S311SXV, S360SX
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Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This kit is designed for Hayward Pro Series sand filters, including models S140T, S144T, S164T, S166T, S180T, S210T, S220T, S244T, S270T2, and S310T2. It is also compatible with various Hayward Pro Series and SwimPro models manufactured in 2005 and prior. We recommend confirming your filter model number and comparing it against your existing drain cap part number to ensure a perfect match.
This replacement kit is the direct equivalent of Hayward part number SX180HG, which serves as the standard drain cap and gasket kit for these sand filter systems.
Common signs include water leaking from the bottom drain opening, a cap that will not tighten securely, a flattened, cracked, or missing gasket, or seepage that starts after draining and refilling the filter. If the cap threads are worn or the gasket no longer seals evenly, replacing both pieces together is the recommended solution.
Yes, the SX180HG is the standard part for Hayward Pro Series sand filters from 2005 and earlier. Since Hayward utilized several tank designs over the years, we recommend verifying your specific filter model and part number to ensure compatibility.
Installation is a straightforward process that typically takes 5 to 10 minutes and requires no tools. First, shut off the pump and relieve pressure at the filter. Remove the old cap and gasket, clean the drain opening and threads, then install the new gasket and thread the cap in by hand. Avoid overtightening, as this can damage the gasket or the threads.
Inspect the filter tank drain port for cracked threads, sand buildup, or debris that could prevent a proper seal. Ensure the old gasket is fully removed and that the sealing surface is clean and smooth. If the new cap leaks after proper hand-tightening, the issue may be damaged tank threads or a worn sealing surface rather than the cap itself.
The most common causes are age-related gasket compression, chemical exposure, UV degradation, cross-threading, and overtightening during seasonal draining or winterization. Repeated removal and reinstallation can also wear the cap threads over time, particularly on older filter tanks.