1/2 in. NPT Stainless Steel Expansion Tank

Part #PFXT1SS  |  Item #8511154  |  Manufacturer Part #PFXT1SS

$30.79 EACH


Stainless Steel
Packaging Info:
  • Quantity Per 
  • Each: 1
  • Inner pack: 1
  • Case: 24
  • Pallet: 1440

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Product Details

  • Space-saving, compact design stainless steel expansion tank and shock arrestor for tankless and POU water heaters with 2 gallons or less of total water volume
  • Designed to protect the heat exchanger on tankless water heaters by relieving excess pressure in the system
  • Tank includes a 40 psi factory precharge but can be adjusted in the field
  • Entire tank is constructed of 304 stainless steel
  • UV-resistant and approved for outdoor installation
  • Butyl membrane diaphragm
  • Should be installed on the cold water inlet below the isolation valve in between the tanklessheater and the check valve
  • NSF 61 certified
  • Max working pressure: 150 psi
  • Max operating temperature: 195ºF

Lead Law Compliant



ANSI Specifications: ANSI Z1088-2019e1

Application: Residential

Diameter: 2-1/2 in

End Connection 1: MNPT

End Connections: MNPT

Fitting Size 1: 1/2 in

Fitting Sizes: 1/2 in

Height: 5 in

High Pressure: 150

IAPMO Listed: Yes

Lead Law Compliant: Yes

MA Approved: Yes

Material: Stainless Steel

Material Type: 304

NSF Certified: Yes

NSF Specifications: NSF 61

Product Type: Tank

Temperature Range: Up to 195 Deg F

WaterSense Labeled: No