Watts ETX30 pressurized expansion tank for hydronic heating and cooling systems. 4.5-gallon capacity with 1/2" MNPT inlet connection, precharged to 12 PSI. Features durable butyl diaphragm, rated to 220°F and 75 PSI maximum. Mounts inline to supply piping; compatible with glycol antifreeze systems.
Watts ETX30 Expansion Tank 1/2" MNPT 4.5 Gal
Watts
$58.95
In Stock — 10+ available
- OEM / cross-reference
- ET30
- Replaces
- ET30
- SKU:
- ETX30
- Product Type:
- Pressurized Expansion Tank
- Subcategory:
- Hydronic Heating
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Chiller
- Installation Type:
- OEM Replacement
- Mounting Type:
- Inline Mount
- Temperature Range:
- 32°F to 220°F
- Pressure Rating:
- 75 PSI
- Inlet Size:
- 1/2" MNPT
- Connection Type:
- NPT
- Connection / Joint:
- NPT
- Material:
- Carbon Steel with Epoxy Finish
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