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APOLLO Stainless Expansion Tank
APOLLO Stainless Expansion Tank
APOLLO Stainless Expansion Tank

APOLLO Stainless Expansion Tank

$241.10 $192.88
Shipping $99 Free

Available Volumes: 6.5 gal / 9.5 gal

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  • 30 Day Return
  • Active Support
  • Since 2008
  • Stable pressure protectionMaintains system pressure to protect equipment and extend lifespan.
  • Thermal expansion absorptionAbsorbs excess pressure from water expansion during heating cycles.
  • 316 stainless steel buildCorrosion-resistant construction for long service life.
  • Serviceable designReplaceable EPDM bladder for easy maintenance.
  • Broad system compatibilityFits a wide range of hydronic heating and cooling systems.

Product details

APOLLO Stainless Expansion Tank – 6.5 / 9.5 Gal

High-quality expansion tank designed to protect hydronic heating and cooling systems by absorbing excess pressure and maintaining system stability, ensuring long-term performance and reliability.

 

Key Benefits

  • Maintains stable system pressure to prevent damage and extend equipment lifespan
  • Absorbs thermal expansion for safe and efficient operation
  • Durable 316 stainless steel construction for corrosion resistance and longevity
  • Replaceable EPDM bladder for easy maintenance and extended service life
  • Compatible with a wide range of heating and cooling systems
  • Compact design for easy installation in tight spaces

 

Specifications

  • Available Volumes: 6.5 gal / 9.5 gal
  • Material: Stainless Steel 316
  • Pressure Rating: 150 PSI
  • Pre-Charge Pressure: 15 PSI
  • Bladder: Replaceable EPDM
  • Connection: 3/4" NPT
  • Dimensions: 10 3/4" x 18 1/4"
  • Height: 18 1/4"
  • Included: Wall support, 2 clamps, replaceable bladder

 

Essential component for pressure regulation and system protection in hydronic heating and cooling systems

Customer Success Stories

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The Apollo heat pump system is very efficient, quiet, and easy to install. It stands out for its clear design, well-organized components, and advanced features like a touchscreen and remote monitoring through an app. It also allows precise temperature control and includes an electric backup for very cold conditions. Overall, it's a reliable and practical system.

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Heats my home nicely and economically. The cold weather does not seem to affect the pump. Overall I'm very happy with the system. The techs have been very helpful whenever I have had questions regarding installation, etc.

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Since installing the Apollo heat pump, our energy bills have plummeted. It pulls heat right out of the air outside, even when it's freezing, and uses a fraction of the electricity our old system did. It's incredibly efficient

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I was skeptical about a heat pump in our cold climate, but the Apollo proved me wrong. It consistently delivers strong, comfortable heat to our entire home, even during the deepest winter freezes. It's a truly robust system

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Upgrading to the Apollo air-to-water heat pump was the best decision for our home. It integrated perfectly with our existing radiant floor heating. It runs quietly outside and provides perfectly even, comfortable heat inside

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You can tell just by looking at the Apollo unit that it's built to last. It handles the elements outside without a problem and operates surprisingly quietly. It gives us total peace of mind knowing we have such a dependable system

Maximizing Efficiency with Apollo Heat Pump

Economical performance that isn't affected by low temperatures.

Reliable Heating in Cold Weather

Economical performance that isn't affected by low temperatures.

Incredible Energy Savings

Slashing utility bills with high-efficiency air-to-water technology

Reliable Heat, No Matter the Weather

Powerful performance that stands up to freezing temperatures

The Ultimate Home Heating Upgrade

Seamlessly integrating with existing radiant or hydronic systems

Built to Weather Any Storm

Heavy-duty construction for years of reliable, quiet operation

Maximizing Efficiency with Apollo Heat Pump

Maximizing Efficiency with Apollo Heat Pump

Reliable Heating in Cold Weather

Reliable Heating in Cold Weather

Incredible Energy Savings

Incredible Energy Savings

Reliable Heat, No Matter the Weather

Reliable Heat, No Matter the Weather

The Ultimate Home Heating Upgrade

The Ultimate Home Heating Upgrade

Built to Weather Any Storm

Built to Weather Any Storm

APOLLO Expansion Tank

Main Features

  1. Pressure Stability Control

    Maintains stable system pressure to protect equipment and ensure proper operation.

  2. Thermal Expansion Absorption

    Absorbs excess pressure caused by water expansion during heating cycles.

  3. Stainless Steel Construction

    Built with 316 stainless steel for corrosion resistance and long service life.

  4. Serviceable Design

    Includes a replaceable EPDM bladder for maintenance and extended usability.

  5. System Compatibility

    Compatible with a wide range of hydronic heating and cooling systems.

  6. Compact Installation

    Designed for easy installation in tight spaces with included mounting components.

Apollo stainless expansion tank feature overview
Apollo stainless expansion tank – replaceable bladder included

Pressure Regulation

Maintains consistent system pressure to reduce stress on components and support proper system operation.

Thermal Expansion Control

Absorbs increased volume from heated water, helping prevent pressure buildup during operation.

316 Stainless Steel Build

Constructed with stainless steel 316 to provide corrosion resistance and long-term durability.

Replaceable Bladder Design

Equipped with a replaceable EPDM bladder for maintenance and extended service life.

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