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 Amtrol Extrol-SX-Expansion-Tank SX-40V 121

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Amtrol SX-40V


Expansion Tank Extrol SX Hydronic 20 Gallon 100 Pounds per Square Inch Gauge 1" FNPT SX-40V Non-ASME for Closed Hydronic Heating Radiant and Chilled Water Systems

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Product Overview

Amtrol designed and patented the first Extrol diaphragm expansion tank in 1954 to control system pressure and help reduce energy consumption in heating and chilled water systems. Over six decades later, Extrol is still the world's leading expansion tank brand, setting the standard for quality, reliability and innovation. All Extrol tanks are made in the USA at our ISO registered facilities by American workers dedicated to producing the highest quality expansion tanks in the world.

  • These non-ASME tanks are available in sizes up to 86 gallons and can be used with high output boilers up to 1,500,000 BTU's
  • Accepts expanded water as system temperature rises to reduce pressure build-up
  • 12 psig factory precharged
  • 1 in NPTF steel system connection
  • 1-13/16 in stand to connection
  • Projection welded air valve

Product Details

Product TypeHydronic
Tank Capacity20GAL
Pressure100PSIG
Inlet/Outlet Connection1IN FNPT
Part NumberSX-40V
StandardNon-ASME
Precharge Pressure12PSIG
Temperature240DEG F
Diaphragm MaterialButyl/EPDM
MaterialSteel
ApplicationClosed Hydronic Heating, Radiant and Chilled Water Systems
Length15IN
Width15IN
Height33IN
California ResidentsWARNING: Click here for Proposition 65 information.

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Shipping & Returns

For Guest transactions, we offer a 30-day SATISFACTION GUARANTEE. If you receive a damaged or defective item or you are dissatisfied with a product for any reason, you can return it for an exchange or refund within 30 days. F.W. Webb Account holders should refer to their local branch for their specific return policy. See our full refund/return policy.

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