Specifications

Residential Expansion Tanks
260 customer.honeywell.com 70-6910
TX Series Expansion Tanks - Domestic Hot Water
The Honeywell Thermal Expansion Absorber is a welded,
pressurized expansion tank with a butyl diaphragm to control
excess pressure in potable hot water systems. The Thermal
Expansion Tank controls pressure build-up in the system,
eliminates relief valve spillage, protects fixtures and extends water
heater life.
Heavy duty butyl rubber diaphragm (FDA approved) isolates water
from air.
Polypropylene liner, 100% non-metallic, non-corrosive water
reservoir.
Full size range: 2-528 gals., for all water heating volumes (ASME
available).
Prevents water hammer.
Maintenance free.
Protects water heater from harmful pressure cycling.
Allows storage of expanded water with no increase in system
pressures.
Maximum Operating Temperature: 200 F (93 C)
Maximum Operating Pressure: 150 psi (1034 kPa)
Precharge: 40 psi
Comments: Potable
Materials
Shell:
Steel
Connection: Brass
Liner: Polypylene
Diaphragm: Butyl
Service Check Valves
Service Check Valves for air vents and expansion tanks allow easy
field service without draining system.
CAUTION
Reduce system temperature to ambient and
pressure to 0 psi before servicing component.
Failure to do so my result in injuries.
Maximum Operating Temperature: 240 F (115 C)
Maximum Operating Pressure: 100 psi (689 kPA)
Product Number
Con-
nection
Size
(inch)
Connection
Type
Diameter Height Volume
Maximum
Acceptance
Volume Weight
(inch) (mm) (inch) (mm) (gal) (L) (gal) (L) (lb) (kg)
TX-5 3/4 in. Male NPT 8 in. 203.2 mm 12 5/8 in. 321 mm 2.0 gal 7.6 L 0.9 gal 3.41 L 5 lb 2.27 kg
TX-12 3/4 in. Male NPT 11 in. 279 mm 12 5/8 in. 321 mm 4.4 gal 16.7 L 3.2 gal 12.1 L 5 lb 2.27 kg
TX-25V 3/4 in. Female NPT 15 3/8 in. 390.5 mm 19 1/4 in. 489 mm 10.3 gal 39 L 10.3 gal 39 L 23 lb 10.43 kg
TX-30V 3/4 in. Female NPT 15 3/8 in. 390.5 mm 23 7/8 in. 606 mm 14.0 gal 53.1 L 11.3 gal 42.8 L 25 lb 11.34 kg
TX-42V 3/4 in. Female NPT 15 3/8 in. 390.5 mm 31 5/8 in. 803 mm 20.0 gal 75.7 L 11.4 gal 43.2 L 33 lb 14.97 kg
TX-60V 1 1/4 in. Female NPT 22 in. 558.8 mm 29 5/8 in. 752.5 mm 34.0 gal 128.7 L 34.0 gal 128.7 L 61 lb 27.67 kg
TX-80V 1 1/4 in. Female NPT 22 in. 558.8 mm 40 1/2 in. 914 mm 44.0 gal 166.5 L 33.9 gal 128.3 L 63 lb 28.58 kg
TX-180V 1 1/4 in. Female NPT 22 in. 558.8 mm 46 3/4 in. 1187.5 mm 62.0 gal 235 L 34.1 gal 129.1 L 92 lb 41.73 kg
TX-210V 1 1/4 in. Female NPT 26 in. 660.4 mm 47 1/4 in. 1200 mm 86.0 gal 325.5 L 46.4 gal 175.6 L 123 lb 55.79 kg
Product Number Connection Size (inch) Connection Type
SCV-0125 1/8 in. Inlet FNPT, Outlet MNPT
SCV-050 1/2 in. Inlet FNPT, Outlet MNPT

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