Reliance Thermal Expansion Tank Tw-2 - Steel, 150 PSI, 3/4 In MPT, Water Heater Expansion - 2 Gal

★★★★★ 5.0 115 reviews

$67.41
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$67.41
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Free shipping Free 30-day returns

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Product details

Management number 231089409 Release Date 2026/06/18 List Price $26.96 Model Number 231089409
Category

Protect your water heater system with this reliable 2-gallon expansion tank, designed to efficiently manage thermal expansion in residential hot water systems. Constructed from durable alloy steel with a two-piece design, this water heater expansion tank helps prevent pressure buildup in closed plumbing systems, safeguarding your pipes and fixtures. With a robust 150 PSI maximum operating pressure and a high-quality butyl rubber diaphragm, it ensures long-lasting performance and consistent pressure control. The exterior features a protective baked epoxy-polyester coating, while the interior is lined with a two-coat bonded polypropylene for enhanced durability and corrosion resistance. Measuring 11 in. in diameter and 18 in. in height, this compact expansion tank fits easily in tight spaces and is ideal for wall mounting. The stainless steel acceptance fitting and 3/4 in. MPT connection allow for straightforward installation and compatibility with standard water heater connectors. This essential water heater replacement part helps maintain system efficiency and extends the life of your plumbing by properly managing pressure fluctuations, making it a smart addition to any hot water tank setup.

  • CAPACITY AND DESIGN: 2-gallon expansion tank built for water heater systems. Durable alloy steel body and butyl rubber diaphragm help prevent pressure buildup in hot water tanks.
  • HIGH PRESSURE RATING: Rated for up to 150 PSI, this water heater expansion tank is ideal for residential and light commercial use. Helps protect plumbing from excess pressure.
  • DURABLE CONSTRUCTION: Deep-drawn steel body with baked epoxy-polyester coating and bonded polypropylene liner. Designed for long-lasting performance in water heater replacement parts.
  • COMPACT DIMENSIONS: Measures 7.9 in diameter and 11 in height for easy installation in tight spaces. Compatible with most water heater connector setups and expansion tank brackets.
  • EASY INSTALLATION: Features 3/4 in MPT connection and stainless steel acceptance fitting. Simple to mount with an expansion tank mounting bracket for secure integration into plumbing.
Brand Reliance

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