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Watts ETX30 Expansion Tank 1/2" MNPT 4.5 Gal

Watts

$53.95

In Stock — 10+ available

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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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Ships same or next business day · UPS Ground, typically 1–5 business days.

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.