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Brand Name
Type
Voltage
Pressure
Quality Tanks ET40 Steel Residential Closed Hot Water Heating Expansion Tank 40,
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McDonnell & Miller RB-24
Amtrol Parts EX30PRO Extrol Pro Expansion Tank 4.4 Gallon 1/2" MPT
Amtrol Parts EX30PRO
Item#:
EX30PRO
Manufacturer Item:
435340
Manufacturer:
AMTROL INC
Amtrol Parts EX60PRO Extrol Pro Expansion Tank 6.7 Gallon 1/2" MPT
Amtrol Parts EX60PRO
Item#:
EX60PRO
Manufacturer Item:
435341
Manufacturer:
AMTROL INC
Amtrol Parts EX15PRO Extrol Pro Expansion Tank 2.0 Gallon 1/2" MPT
Amtrol Parts 2500-218
Item#:
EX15PRO
Manufacturer Item:
435339
Manufacturer:
AMTROL INC
Constructed of the highest quality steel, the HTx are true work horses. HTx comes standard with a 100% butyl diaphragm. SxHT goes even one step further with our patented CAD2 diaphragm, offering even lower permeability rates at higher temperatures. Additionally, both tank lines' diaphragms are oversized, which maximizes drawdown and minimizes wear. This design feature virtually eliminates diaphragm stretch, further promoting longevity.
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- 16 ga cold rolled steel tank
- Appliance-quality paint for corrosion resistance
- 100% butyl rubber diaphragm
- Welded steel connection
- High pressure, seam weld, helium, final precharge check testing
- Brass valve with O-ring seal air valve
- 1 Gallon maximum acceptance volume
- 5 years warranty
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Duratrac 12-H30
FLEX2PRO Paint 16 ga Cold Rolled Steel Hydronic Expansion Tank 4.5 Gallon 1/2" MNPT 14" H x 11" Diameter
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- 100% butyl rubber, lined with polypropylene water chamber
- Appliance quality paint for corrosion resistance
- 100% butyl rubber diaphragm
- Welded steel connection
- High pressure, seam weld, helium, final pre-charge check testing
- Brass valve with o-ring seal air valve
- 2.5 Gallon maximum acceptance volume
- 5 years warranty
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Flexcon HT15
Flexcon Flex2pro PH5 16 ga Cold Rolled Steel Thermal Expansion Tank, 2.1 Gallon, 3/4" MNPT, 200 psig, 11" H x 8" Diameter
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- 100% butyl diaphragm and plastic liner to separate the system water from the tanks air precharge
- Stainless steel sleeve to prevent corrosion, something no other manufacturer offers
- Top chamber is 100% butyl rubber, lower water chamber is copolymer polypropylene
- High pressure, seam weld, helium, final precharge check testing
- Brass valve with o-ring seal
- 0.9 Gallon maximum accepted volume
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Flexcon HT60
Zilmet ZEP-05 Expansion Tank 2.1G 3/4 MPT
Specifications
Carbon Steel Shell
Stainless Steel Connection
Butyl fixed membrane
Max operating pressure: 150 PSIG
Operating temperature: 210°F
Factory precharge: 40 PSIG
5 year limited manufacturer warranty,
Specifications
Xylem B123-6
Zilmet ZHT8-15 Expansion Tank 15 3/4 MPT
Zilmet ZHT24-60
Item#:
ZHT8-15
Manufacturer Item:
ZHT8-15
Manufacturer:
ZILMET USA CORP
Zilmet ZHT18-30 Expansion Tank 30 3/4 MPT
Specifications
Carbon Steel Shell
Stainless Steel Connection
Butyl fixed membrane
Max operating pressure: 150 PSIG
Operating temperature: 210°F
Factory precharge: 40 PSIG
5 year limited manufacturer warranty,
Specifications
Zilmet ZEP-05
Item#:
ZHT18-30
Manufacturer Item:
ZHT18-30
Manufacturer:
ZILMET USA CORP
Zilmet ZHT24-60 Expansion Tank 60 3/4 MPT
Specifications
Carbon Steel Shell
Stainless Steel Connection
Butyl fixed membrane
Max operating pressure: 150 PSIG
Operating temperature: 210°F
Factory precharge: 40 PSIG
5 year limited manufacturer warranty,
Specifications
Zilmet ZHT18-30
Item#:
ZHT24-60
Manufacturer Item:
ZHT24-60
Manufacturer:
ZILMET USA CORP
Weil-McLain Heating Parts 383500300 Supply Water Temperature Sensor
Weil-Mclain Heating Parts 383500300
Item#:
383500300
Manufacturer Item:
383-500-300
Manufacturer:
WEIL-MCLAIN