AmtrolSKU: 36274

Amtrol® EXTROL® 101-1 EX Series In-Line Hydronic Expansion Tank

$61.06
In stock (158)

Extrol® expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure build-up, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrol® line-up now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol® The One That Started It All™.

Shipping policy

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

More Details

Product overview
  • Strongest tank design featuring deep drawn steel and multi-dome construction
  • Projection welded air stem to help eliminate leaks
  • Patent-pending InSight™ service indicator cap
  • With 1/2 in MNPT System Connection
Specifications
Manufacturer Part Number 101-1
UPC 642031112743
Overall Dimensions 4 in H x 3-1/2 in W x 2-3/8 in D
Material n/a
Domestic or Import Domestic
End Style n/a
Type In-Line
ADA Compliance n/a
Warning Professional installation required
Standards and Approvals InSight™ | IAPMO R and T Low-Lead | PHCC Association
Resources
Delivery & Returns

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

Upcoming holiday closures: May 25, 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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