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- Honeywell Expansion Tanks absorb hot water expansion in closed heating systems. They are equipped with butyl diaphragms to separate the air from the system water. Pre-pressurized, the tank keeps fluids circulating and maintains minimum pressure.
Heating Expansion Tank, Series: TK Series, 2 gal Capacity, 8 in Dia, 12-5/8 in Height, 100 psi, 1 gal Acceptance, 240 deg F, Heavy Duty Butyl Diaphragm, Steel, Domestic
- Butyl/EPDM diaphragm: 9 times better than natural rubber
- Deep-drawn steel tank
- Controls system pressure
- Air-tight cushion-factory precharged to 12 psig and 100% tested
- Welded, not clamped, for longer, leak-proof life
- 1/2 in external MNPT connection
- Capacity2 galDiameter8 inDomestic / ImportDomesticHeight12-5/8 inAcceptance Capacity1Diaphragm TypeHeavy Duty ButylManufacturerHoneywellManufacturer #TK300-15/UMaterialSteelPressure Rating100 psiSeriesTK SeriesTemperature Rating240 degF