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Specifications
Description
The Watts ETA-180 is a 1-1/2" expansion tank with a 90 gallon capacity.
This 90 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).
Features
- ASME Section VIII construction
- Heavy duty fixed butyl bladder
- Precharged to 12 psi
- Carbon steel shell
- Field adjustable
Common Questions
- Is it rated for potable water?
- No. This is a closed-loop hydronic tank and must not be used on potable water.
- What is the factory pre-charge?
- It ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.
- What size is the tank?
- It holds 90 gallons.
- What is it designed for?
- It is intended for domestic water service.
Specifications
- Size: 1-1/2"
- Inlet Size: 1-1/2"
- Application: Domestic Water
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: ETA-180
- Lead-Free: No
- Component Role: Expansion Tank
- Tank Volume (gal): 90
- Pre-Charge Pressure (psi): 12
- Potable Water Rated: No
Product Information
Dimensions
| Size Nominal | 1-1/2" | Inlet Size | 1-1/2" |
Details
| Series | ETA | Application | Domestic Water |
| Tank Volume | 90 gal | Precharge Pressure | 12 PSI |
| Component role | Expansion Tank | Potable | No |
Compare with similar products
| Tank Volume | 90
| 8.5
| 15.0
| 2.1
| 26
| 5.0
|
| Precharge Pressure | 12
| 20
| 12
| 20
| 40
| 40
|
| Series | ETA
| PLT
| ETX
| PLT
| DETA
| DETA
|
| Country Of Origin | United States
| Taiwan
| United States
| Taiwan
| United States
| United States
|
| Warranty | 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
|
| Spec Sheet | ||||||
| Install Sheet | ||||||
| Size Nominal | 1-1/2"
| 3/4"
| 1"
| 3/4"
| 1"
| 3/4"
|
| Inlet Size | 1-1/2"
| 3/4"
| 1"
| 3/4"
| 1"
| 3/4"
|
| End Connection | — | — | FNPT
| — | MNPT
| MNPT
|
| Application | Domestic Water
| Domestic Water
| Hydronic Heating
| Domestic Water
| Domestic Water
| Domestic Water
|
| Max Pressure PSI | — | 150.0 psi | 75.0 psi | 150.0 psi | — | — |
| Certifications | — | NSF-61, IAPMO
| — | NSF-61, IAPMO
| FDA
| FDA
|
| Connection Gender | — | — | Female
| — | Male
| Male
|
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