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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

Gray cylindrical hydronic expansion tank with Zilmet brand logo and rounded top.

Zilmet ZHT250 66 Gal Hydronic Tank 3/4'' NPT Connection

SKU #: ZILZHT250   |   MPN #: ZHT250
$1,082.72
$1,082.72 $0.00
MSRP: $1,972.46

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

Zilmet gray cylindrical hydronic expansion tank with domed top and Zilmet logo.

Zilmet ZHT700 184.9 Gal Hydronic Tank 1'' NPT Connection

SKU #: ZILZHT700   |   MPN #: ZHT700
$2,882.33
$2,882.33 $0.00
MSRP: $6,800.15

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

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

Zilmet ZHT400 105.7 Gal Hydronic Tank 3/4'' NPT Connection

SKU #: ZILZHT400   |   MPN #: ZHT400
$1,712.37
$1,712.37 $0.00
MSRP: $3,475.89

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

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top section.

Zilmet ZHT600 158.5 Gal Hydronic Tank 1'' NPT Connection

SKU #: ZILZHT600   |   MPN #: ZHT600
$2,320.44
$2,320.44 $0.00
MSRP: $5,096.20

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

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top.

Zilmet ZHT500 132.1 Gal Hydronic Tank 1'' NPT Connection

SKU #: ZILZHT500   |   MPN #: ZHT500
$2,107.35
$2,107.35 $0.00
MSRP: $4,383.98

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

Gray cylindrical hydronic expansion tank with Zilmet logo and rounded top on dark base.

Zilmet ZHT300 79.3 Gal Hydronic Tank 3/4'' NPT Connection

SKU #: ZILZHT300   |   MPN #: ZHT300
$1,332.90
$1,332.90 $0.00
MSRP: $2,523.42

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

Cream-colored vertical well tank with Zilmet branding, black top fitting, and round base.

Zilmet ZHP350 105.7 Gal Vertical With Base 1-1/4'' NPT Connection Well Tank

SKU #: ZILZHP350   |   MPN #: ZHP350
$1,577.04
$1,577.04 $0.00
MSRP: $6,200.60

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

Zilmet cream-colored cylindrical well tank with brand logo and side connection port.

Zilmet ZHP302 ZHP302 Well Tank, 79.3 Gal Tank, 1-1/4 in Connection, NPT Connection

SKU #: ZILZHP302   |   MPN #: ZHP302
$1,247.28
$1,247.28 $0.00
MSRP: $4,594.62

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

Cream-colored Zilmet well tank with rounded top, red logo, and side connection valve.

Zilmet ZHP351 119 Gal Well Tank, 1-1/4 in Connection, NPT Connection

SKU #: ZILZHP351   |   MPN #: ZHP351
$1,763.17
$1,763.17 $0.00
MSRP: $7,648.57

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

Almond-colored cylindrical thermal expansion tank with Zilmet logo and black top connection port.

Zilmet ZHP202 21.1 Gal Hydro-Plus Thermal Expansion Tank, 1 in Connection, Carbon Steel, Epoxy, Almond

SKU #: ZILZHP202   |   MPN #: ZHP202
$308.12
$308.12 $0.00
MSRP: $1,459.80

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

Almond-colored cylindrical thermal expansion tank with Zilmet logo and flat base for floor mounting.

Zilmet ZHP200F Floor Mounted Thermal Expansion Tank 1" NPT Connection, Butyl/Carbon Steel/Stainless Steel, Epoxy Powder-Coated, Almond

SKU #: ZILZHP200F   |   MPN #: ZHP200F
$285.26
$285.26 $0.00
MSRP: $1,124.60

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

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 Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

SKU #: ZILZHT815ZILZAF012MF   |   MPN #: ZHT8-15 & ZAF012MF
$206.00
$206.00 $0.00
MSRP: $1,053.86

Available in stock

Zilmet ZFT24R flat rectangular gray hydronic expansion tank with brass connection port and Zilmet logo.

Zilmet ZFT24R 6.3 gal flat rectangular hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

SKU #: ZILZFT24RZILZAF012MF   |   MPN #: ZFT24R & ZAF012MF
$373.10
$373.10 $0.00
MSRP: $1,499.48

Available in stock

Silver rectangular hydronic expansion tank with Zilmet logo and brass connection valve on top.

Zilmet ZFT8R 2.1 gal flat rectangular hydronic tank with 1/2" NPT connection, union (two-way check valve), and welded bracket Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

SKU #: ZILZFT8RZILZAF012MF   |   MPN #: ZFT8R & ZAF012MF
$269.64
$269.64 $0.00
MSRP: $1,193.72

Available in stock

Zilmet cream-colored thermal expansion tank with red and blue logo, featuring black top cap and outlet valve.

Zilmet ZEP5 2.1 gal In-line thermal expansion tank with 3/4" Stainless steel NPT connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

SKU #: ZILZEP5ZILZAFL2234   |   MPN #: ZEP5 & ZAFL2234
$207.23
$207.23 $0.00
MSRP: $1,155.03

Available in stock

Gray cylindrical hydronic expansion tank with Zilmet branding and 1/2 inch NPT connection ports.

Zilmet ZHT18-30 4.8 Gal Capacity Cal Pro ZHT18-30 Hydronic Expansion Tank, 1/2 in Connection, NPT Connection, Carbon Steel Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

SKU #: ZILZHT1830ZILZAF012MF   |   MPN #: ZHT18-30 & ZAF012MF
$224.38
$224.38 $0.00
MSRP: $1,089.59

Available in stock

Zilmet ZEP1 expansion tank and shock arrester with stainless steel construction, MNPT connection, and black valve cap.

Zilmet ZEP1 Expansion Tank and Shock Arrester, Butyl/304 Stainless Steel, MNPT Connection with ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo Water Conditioner

SKU #: ZILZEP1ZILZAF012MF   |   MPN #: ZEP1 & ZAF012MF
$187.33
$187.33 $0.00
MSRP: $1,166.98

Available in stock

Two thermal expansion tanks: almond-colored cylindrical tank with Zilmet logo and gray spherical tank with connection fitting

Zilmet ZEP18 6.3 Gal Easy Pro Thermal Expansion Tank, 3/4 in Connection, NPT Connection, Carbon Steel, Almond - 2 pack

SKU #: ZILZEP18x2   |   MPN #: ZEP18
$405.32
$405.32 $0.00
MSRP: $2,257.92

Special Order. Expect 3-5 days for delivery, subject to change

Zilmet stainless steel expansion tank with Zilmet logo and top valve connection, cylindrical shape.

Zilmet ZS18 Stainless steel expansion tank

SKU #: ZILZS18   |   MPN #: ZS18
$476.69
$476.69 $0.00
MSRP: $989.50

Available in stock

Zilmet ActivFlo water conditioner with chrome cylindrical body, red branding, and threaded male connectors on each end.

Zilmet ZAF034 ActivFlo Water Conditioner

SKU #: ZILZAF034   |   MPN #: ZAF034
$671.76
$671.76 $0.00
MSRP: $3,254.24

Available in stock

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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