Skip to main content
Notice:
We’re making improvements to our website! Pricing and inventory information will be temporarily unavailable until August 2026.
More details here.
About
Careers
Contact Us
open menu
Site Search
submit search
Sign In / Register
My Account
Sign In / Register
My Account
Bathroom
Kitchen
Lighting
Parts
Brands
Clearance
Home
...
more info
Hydronic Expansion Tanks
Hydronic Expansion Tanks
Filters
Search within brand
Stocked Items
Stocked Items Only
Capacity
4.7 gal
(1)
2.1 gal
(2)
4.8 gal
(1)
Filters
Search within brand
Stocked Items
Stocked Items Only
Capacity
4.7 gal
(1)
2.1 gal
(2)
4.8 gal
(1)
4Â
ProductsÂ
Sort by
Best Match
Product: A to Z
Product: Z to A
Product Grid View
Product List View
content loaded
Quick View
CALEFACTIO HGT15 2.1 GAL (8L) EXPANSION TANK
MFR Part #:Â
MFR Part #
HGT-15
SKU #:Â
SKU #
1200202
U/M
Please Sign in for Pricing
QTY
Compare
Quick View
CALEFACTIO HGT30 4.8GAL (18L) EXPANSION TANK
MFR Part #:Â
MFR Part #
HGT-30
SKU #:Â
SKU #
1200203
U/M
Please Sign in for Pricing
QTY
Compare
Quick View
CALEFACTIO HGTE12 18L THERMAL TANK (FIXED BLADDER)
MFR Part #:Â
MFR Part #
HGTE-12
SKU #:Â
SKU #
1211437
U/M
Please Sign in for Pricing
QTY
Compare
Quick View
CALEFACTIO HGTE5 8L THERMAL TANK (FIXED BLADDER)
MFR Part #:Â
MFR Part #
HGTE-5
SKU #:Â
SKU #
1211438
U/M
Please Sign in for Pricing
QTY
Compare