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Specifications
Description
The Watts PLT-35 is a 1" expansion tank with a 14.0 gallon capacity. It is rated to 150 psi.
This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T&P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 14.0 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 1 inch female inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. ANSI/NSF 61 certified. The maximum pressure is 150 psi (10 bar).
Features
- Prevents over-pressure caused by thermal expansion
- Air pre-charge at 20 psi
- 1" female connection
- Butyl rubber diaphragm
Common Questions
- Is it rated for potable water?
- Yes, it is rated for potable water systems.
- What is the factory pre-charge?
- It ships pre-charged to 20 psi. Match this to system fill pressure or the tank cannot accept expansion.
- What size is the tank?
- It holds 14.0 gallons.
- What is it designed for?
- It is intended for domestic water service.
Specifications
- Size: 1"
- Inlet Size: 1"
- Max Pressure (psi): 150
- Application: Domestic Water
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: PLT-35
- Certifications: NSF-61, IAPMO
- Lead-Free: No
- Component Role: Expansion Tank
- Tank Volume (gal): 14.0
- Pre-Charge Pressure (psi): 20
- Potable Water Rated: Yes
Product Information
Dimensions
| Size Nominal | 1" | Inlet Size | 1" |
Details
| Series | PLT | Application | Domestic Water |
| Max Pressure PSI | 150.0 psi | Tank Volume | 14.0 gal |
| Precharge Pressure | 20 PSI | Component role | Expansion Tank |
| Potable | Yes | — | — |
Certifications & Standards
| NSF-61 | IAPMO |
Compare with similar products
| Tank Volume | 14.0
| 8.5
| 15.0
| 2.1
| 26
| 5.0
|
| Precharge Pressure | 20
| 20
| 12
| 20
| 40
| 40
|
| Series | PLT
| 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"
| 3/4"
| 1"
| 3/4"
| 1"
| 3/4"
|
| Inlet Size | 1"
| 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 | 150.0 psi | 75.0 psi | 150.0 psi | — | — |
| Certifications | NSF-61, IAPMO
| NSF-61, IAPMO
| — | NSF-61, IAPMO
| FDA
| FDA
|
| Connection Gender | — | — | Female
| — | Male
| Male
|
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