Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion TankAmtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion TankAmtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion TankAmtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
Amtrol® EXTROL® 102-1 EX-30 Boiler System Expansion Tank
AmtrolSKU: 36275

Amtrol® 102-1 EXTROL® EX-30 Boiler Expansion Tank

$73.81
In stock (1124)

Control pressure buildup in your hydronic heating system with the Amtrol® EXTROL® EX-30 expansion tank. This 4.4-gallon tank absorbs expanding water as the system heats, helping maintain stable pressure. Its heavy-duty Butyl/EPDM diaphragm and deep-drawn steel construction provide dependable service in residential closed-loop boiler systems.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Expansion control: Absorbs expanded water to help limit system pressure buildup.
  • 4.4-gallon tank: Provides a maximum acceptance volume of 2.5 gallons.
  • Heavy-duty diaphragm: Butyl/EPDM construction separates system water from the sealed air cushion.
  • Steel construction: Deep-drawn shell provides strength and durability.
  • Factory precharged: Supplied with a 12 psig air charge and factory tested.
  • Operating limits: Rated for a maximum working pressure of 100 psig and temperature of 240°F.
  • 1/2″ MNPT connection: For installation in compatible closed-loop hydronic systems.
  • Compact dimensions: Measures 11″ in diameter × 15″ high.
Specifications
Manufacturer Part Number 102-1
UPC 642031113061
Overall Dimensions 11in Dia x 15in H
Material n/a
Domestic or Import n/a
End Style n/a
Type n/a
ADA Compliance n/a
Warning Professional installation required
Standards and Approvals n/a
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: Monday September 7, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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