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• Amtrol (11)

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• $850.00 to $1,229.99 (3)
• $1,230.00 to $1,609.99 (2)
• $1,610.00 to $1,989.99 (2)
• $2,370.00 to $2,759.99 (4)

Amtrol, Amtrol THERM-X-TROL ASME Expansion Tanks

Thermal expansion occurs as domestic water is heated. Left unchecked, the resulting pressure increase can cause relief valve discharge and other potentially unsafe conditions. Therm-X-Trol® expansion tanks absorb this expanded water, keeping water pressure at a safe level. Amtrol Therm-X-Trol ASME expansion tanks are the most effective way to control Thermal Expansion.

Amtrol ST-12-C THERM-X-TROL ASME Expansion Tank, 5 Gallon (141-326) Amtrol ST-12-C Price: $1,879.40 $1,115.90 You Save: $763.50 (41%)	Amtrol ST-20V-C THERM-X-TROL ASME Expansion Tank, 8 Gallon (142-149) Amtrol ST-20V-C Price: $1,954.50 $1,160.49 You Save: $794.01 (41%)	Amtrol ST-42V-C THERM-X-TROL ASME Expansion Tank, 18 Gallon (144-207) Amtrol ST-42V-C Price: $2,357.20 $1,399.59 You Save: $957.61 (41%)
Amtrol ST-70V-C THERM-X-TROL ASME Expansion Tank, 34 Gallon (146-790) Amtrol ST-70V-C Price: $2,826.20 $1,678.06 You Save: $1,148.14 (41%)	Amtrol ST-5-C THERM-X-TROL ASME Expansion Tank, 2 Gallon (140-712) Amtrol 140-712 Price: $1,438.40 $854.05 You Save: $584.35 (41%)	Amtrol ST-210V-C THERM-X-TROL ASME Expansion Tank, 90 Gallon (148-110) Amtrol ST-210V-C Price: $4,640.90 $2,755.54 You Save: $1,885.36 (41%)
Amtrol ST-180V-C THERM-X-TROL ASME Expansion Tank, 77 Gallon (148-109) Amtrol ST-180V-C Price: $4,419.70 $2,624.20 You Save: $1,795.50 (41%)	Amtrol ST-120V-C THERM-X-TROL ASME Expansion Tank, 68 Gallon (147-199) Amtrol 147-199 Price: $4,242.00 $2,518.69 You Save: $1,723.31 (41%)	Amtrol ST-80V-C THERM-X-TROL ASME Expansion Tank, 53 Gallon (147-139) Amtrol ST-80V-C Price: $4,041.40 $2,399.59 You Save: $1,641.81 (41%)
Amtrol ST-60V-C THERM-X-TROL ASME Expansion Tank, 25 Gallon (146-776) Amtrol ST-60V-C Price: $2,735.60 $1,624.26 You Save: $1,111.34 (41%)	Amtrol ST-30V-C THERM-X-TROL ASME Expansion Tank, 14 Gallon (143-327) Amtrol ST-30V-C Price: $2,205.40 $1,309.46 You Save: $895.94 (41%)