WATTS ETX Series Water Heater Expansion Tanks - Non-Potable
The WATTS ETX Series Water Heater Expansion Tanks - Non-Potable are designed as water tank parts to control thermal expansion and maintain system pressure in closed-loop hydronic heating systems. This product name absorbs excess pressure in non-potable systems, ensuring smooth operation of your water heater and preventing pressure relief valve activation.
FEATURES
- The pre-pressurized steel tank features a durable expansion membrane that prevents contact of the water with the air in the tank
- Minimizes loss of the air change and ensures long and trouble-free life for the system
- Model ETX mounts to supply piping
- Available in a variety of models and sizes
- Maximum Pressure: 75psi (5.3 bar) for ETX
| PART NUMBER | VOLUME | MAX. PRESSURE | SIZE | DIAMETER | HEIGHT | Vaughan | |
| 66605 | 2.1 Gal. | 75 psi | 1/2" | 8" | 12.5" |
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| 66606 | 4.7 Gal. | 75 psi | 1/2" | 11" | 14" |
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| 66607 | 6.6 Gal. | 75 psi | 1/2" | 11.38" | 17.19" |
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| 67431 | 13 Gal. | 75 psi | 3/4" | 15" | 20.81" |
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