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