Overview
The Thermal Expansion Absorber is an expansion tank with a butyl diaphragm. The Thermal Expansion Tank controls pressure build-up in the system, eliminates relief valve spillage, protects fixtures and extends water heater life.
Features
- Heavy duty butyl rubber diaphragm (FDA approved) isolates water from air.
- Polypropylene liner, 100% non-metallic, non-corrosive water reservoir.
- Prevents water hammer.
- Maintenance free.
- Protects water heater from harmful pressure cycling.
- Allows storage of expanded water with no increase in system pressures.
- Prevents backflow when supply pressure falls below system pressure.
Product Specifications
- Hazmat Information
- UN 1956 COMPRESSED GAS, N.O.S.,(air with up to 15% helium), 2.2
- Maximum Safe Operating Pressure (psi)
- 150 psi
- Maximum Safe Operating Pressure (kPa)
- 1034 kPa
- Weight (lb)
- 5 lb
- Weight (kg)
- 2.27 kg
- Materials
- Steel shell; Butyl diaphragm; Polypylene liner; Brass connection
- Comments
- Potable
- Item Type
- Product
- Operating Temperature Range (F)
- 200 F Maximum
- Operating Temperature Range (C)
- 93 C Maximum
- Approvals, Others
- NSF/ANSI 61 & 372; IAPMO
- Connection Size (in.)
- 3/4 in.
- Connection Type
- Male NPT
- Diameter (in.)
- 11 in.
- Diameter (mm)
- 279 mm
- Volume (gal)
- 4.4 gal
- Volume (L)
- 16.7 L
- Maximum Acceptance Volume (gal)
- 3.2 gal
- Maximum Acceptance Volume (L)
- 12.1 L
- Height (in.)
- 12 5/8 in.
- Height (mm)
- 321 mm
- Precharge (psi)
- 40 psi
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