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Zilmet

Zilmet delivers high-quality water conditioners, expansion tanks, pressure tanks, boilers, water heaters, and plumbing components. With decades of expertise and ISO 9001 certification, Zilmet products ensure long-lasting performance and precise control for heating, water, and hydronic systems.
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90 products

Cream-colored cylindrical thermal expansion tank with Zilmet logo and metal threaded connection on top.

Zilmet ZEP12 4.8 gal In-line thermal expansion tank with 3/4" Stainless steel NPT connection

SKU #: ZILZEP12   |   MPN #: ZEP12
$80.03
$80.03 $0.00
MSRP: $384.40

Available in stock

Zilmet ZEP5 thermal expansion tank, cream-colored cylindrical vessel with logo and connection port.

Zilmet ZEP5 2.1 gal In-line thermal expansion tank with 3/4" Stainless steel NPT connection

SKU #: ZILZEP5   |   MPN #: ZEP5
$57.71
$57.71 $0.00
MSRP: $302.40

Available in stock

Gray flat round hydronic expansion tank with Zilmet logo and brass top connection fitting.

Zilmet ZFT18C 4.8 gal flat round hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket

SKU #: ZILZFT18C   |   MPN #: ZFT18C
$121.97
$121.97 $0.00
MSRP: $279.48

Available in stock

Zilmet gray rectangular hydronic expansion tank with brass connection fitting and welded mounting bracket.

Zilmet ZFT24R 6.3 gal flat rectangular hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket

SKU #: ZILZFT24R   |   MPN #: ZFT24R
$236.83
$236.83 $0.00
MSRP: $588.50

Available in stock

Zilmet flat rectangular metal hydronic expansion tank with brass connection fitting and logo on front.

Zilmet ZFT8R 2.1 gal flat rectangular hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket

SKU #: ZILZFT8R   |   MPN #: ZFT8R
$133.26
$133.26 $0.00
MSRP: $282.74

Available in stock

Gray flat round hydronic expansion tank with Zilmet logo and brass connection port at top.

Zilmet ZFT8C 2.1 gal flat round hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket

SKU #: ZILZFT8C   |   MPN #: ZFT8C
$110.28
$110.28 $0.00
MSRP: $243.58

Available in stock

Silver rectangular hydronic expansion tank with brass connection fitting and Zilmet logo on front.

Zilmet ZFT18R 4.8 gal flat rectangular hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket

SKU #: ZILZFT18R   |   MPN #: ZFT18R
$181.80
$181.80 $0.00
MSRP: $462.67

Available in stock

Zilmet ZEP1 expansion tank with stainless steel body, black valve cap, and threaded male connection at base.

Zilmet ZEP1 Expansion Tank and Shock Arrester, Butyl/304 Stainless Steel, MNPT Connection

SKU #: ZILZEP1   |   MPN #: ZEP1
$46.99
$46.99 $0.00
MSRP: $256

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet logo and connection ports on top and bottom.

Zilmet ZHT8-15 2.1 Gal Cal Pro ZHT8-15 Hydronic Expansion Tank, 1/2 in Connection, NPT Connection, Carbon Steel, Gray

SKU #: ZILZHT815   |   MPN #: ZHT8-15
$68.30
$68.30 $0.00
MSRP: $142.88

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top, featuring small connection ports.

Zilmet ZHT18-30 4.8 Gal Capacity Cal Pro ZHT18-30 Hydronic Expansion Tank, 1/2 in Connection, NPT Connection, Carbon Steel

SKU #: ZILZHT1830   |   MPN #: ZHT18-30
$87.41
$87.41 $0.00
MSRP: $178.61

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top, featuring 3/4" connection port.

Zilmet ZHT80 21.1 Gal Cal Pro Hydronic Expansion Tank 3/4" Connection

SKU #: ZILZHT80   |   MPN #: ZHT80
$295.66
$295.66 $0.00
MSRP: $693.28

Available in stock

Zilmet ZHT50-90 13.2 Gal Hydronic Tank 3/4'' NPT Connection

Zilmet ZHT50-90 13.2 Gal Hydronic Tank 3/4'' NPT Connection

SKU #: ZILZHT5090   |   MPN #: ZHT50-90
$210.23
$210.23 $0.00
MSRP: $439.60

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top, mounted on base feet.

Zilmet ZHT105 27.7 Gal Cal Pro Hyrdronic Expansion Tank 3/4" NPT Connection

SKU #: ZILZHT105   |   MPN #: ZHT105
$444.68
$444.68 $0.00
MSRP: $1,077.16

Available in stock

Gray cylindrical Zilmet hydronic expansion tank with domed top and Zilmet logo label.

Zilmet Gal Hydronic Tank 3/4'' NPT Connection

SKU #: ZILZHT150   |   MPN #: ZHT150
$548.48
$548.48 $0.00
MSRP: $1,368.17

Available in stock

Zilmet IK210 magnetic filter with chrome threaded ports and black cylindrical housing with brown label.

Zilmet IK210 Magnetic Filter With 1'' NPT

SKU #: ZILIK210   |   MPN #: IK210
$246.56
$246.56 $0.00
MSRP: $810

Available in stock

Almond cylindrical thermal expansion tank with Zilmet logo next to gray spherical expansion tank with connection ports.

Zilmet ZEP18 6.3 Gal Easy Pro Thermal Expansion Tank, 3/4 in Connection, NPT Connection, Carbon Steel, Almond

SKU #: ZILZEP18   |   MPN #: ZEP18
$121.81
$121.81 $0.00
MSRP: $564.48

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet logo and 1/2 inch connection port.

Zilmet 6.3 Gal Pro Hydronic Expansion Tank 1/2 in

SKU #: ZILZHT2460   |   MPN #: ZHT24-60
$140.70
$140.70 $0.00
MSRP: $327.20

Available in stock

Zilmet ActivFlo cylindrical water conditioner with threaded end connectors and red branding label.

Zilmet ZAF034 ActivFlo Water Conditioner - 10 Pack

SKU #: ZILZAF034x10   |   MPN #: ZAF034
$6,552.75
$6,552.75 $0.00
MSRP: $32,542.40

Special Order. Expect 4-6 weeks for delivery, subject to change

Stainless steel cylindrical expansion tank with Zilmet logo and valve fitting on top, black threaded connection at bottom.

Zilmet ZS8 Inox Pro ZS8 Expansion Tank, 2.1 Gal Capacity, 3/4 in Connection, NPT Connection, 304 Stainless Steel

SKU #: ZILZS8   |   MPN #: ZS8
$257.56
$257.56 $0.00
MSRP: $517.06

Special Order. Expect 4-6 weeks for delivery, subject to change

Zilmet thermal expansion tank in almond color with red and blue logo, cylindrical shape with black valve on top.

Zilmet ZHP250 52.8 Gal Hydro-Plus Thermal Expansion Tank, 1-1/4 in Connection, Carbon Steel, Epoxy, Almond

SKU #: ZILZHP250   |   MPN #: ZHP250
$978.69
$978.69 $0.00
MSRP: $3,379.39

Special Order. Expect 4-6 weeks for delivery, subject to change

Zilmet FAQ

What is Zilmet ActivFlo?

Zilmet ActivFlo is a catalytic water conditioner that reduces limescale buildup in hard water systems without salt, electricity, or maintenance, protecting plumbing, water heaters, and appliances.

What is a Zilmet expansion tank?

A Zilmet expansion tank absorbs pressure changes in heating and water systems, protecting pipes and boilers from damage.

What types of Zilmet tanks are available?

Zilmet offers pressure tanks, and standard expansion tanks for residential, commercial, and hydronic systems.

Are Zilmet water heaters reliable?

Yes, Zilmet water heaters provide efficient, high-performance hot water with durable construction and energy-saving features.

What makes Zilmet boilers efficient?

Zilmet boilers and hydronic components are designed with advanced technology for consistent heat, precise control, and low energy consumption.

Do Zilmet plumbing valves improve system performance?

Absolutely, Zilmet valves regulate flow and pressure accurately, ensuring safe and reliable operation of your plumbing or heating system.

Are Zilmet expansion tanks durable?

Yes, Zilmet tanks are made from high-quality materials and tested for long-lasting performance under varying pressure conditions.

Where are Zilmet products manufactured?

Zilmet operates globally, with products manufactured in Italy, the U.S., and other international locations to maintain strict quality standards.
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