Zilmet

Zilmet Products 1

Zilmet Boilers

Zilmet provides high-quality components that improve heating system efficiency and reliability. Their products, including energy-efficient boilers, durable expansion tanks, and safety valves, cater to both residential and commercial needs, ensuring consistent performance and extending system lifespan.

Zilmet Product 2

Zilmet Water Heaters

Zilmet water heaters provide efficient and reliable hot water solutions for homes and businesses, featuring durable, high-performance technology. Their range includes both tank and tankless models, prioritizing quality and innovation with minimized energy use.

Zilmet Product 3

Zilmet Plumbing

Zilmet plumbing valves provide optimal performance and reliability, made from high-quality materials for durability and precision. They effectively regulate flow and pressure, ideal for both residential and commercial plumbing.


167 Products
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  • Zilmet ZHT80 21.1 Gal Cal Pro Hydronic Expansion Tank 3/4" Connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner
    MSRP: $1,363.24
    $363.19
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  • 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
    MSRP: $1,166.98
    $217.26
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  • 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
    MSRP: $1,054.28
    $177.21
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  • Zilmet ZEP12 4.8 gal In-line thermal expansion tank with 3/4" Stainless steel NPT connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner
    MSRP: $1,136.28
    $197.48
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  • Zilmet ZFT18C 4.8 gal flat round 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
    MSRP: $1,190.46
    $283.26
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  • Zilmet ZEP18 6.3 Gal Easy Pro Thermal Expansion Tank, 3/4 in Connection, NPT Connection, Carbon Steel, Almond with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner
    MSRP: $1,316.36
    $229.63
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  • Zilmet ZHT50-90 13.2 Gal Hydronic Tank 3/4'' NPT Connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner
    MSRP: $1,139.54
    $292.73
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  • Zilmet ZHT50F 13.2 Gal Hydronic Tank 3/4'' NPT With Feet with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner
    MSRP: $1,234.46
    $312.32
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  • Zilmet ZHT700 184.9 Gal Hydronic Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner
    MSRP: $8,926.30
    $2,961.65
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  • Zilmet ZHT600 158.5 Gal Hydronic Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner
    MSRP: $7,423.70
    $2,534.41
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  • 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
    MSRP: $1,036.98
    $229.40
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  • Zilmet ZS05 0.13 Gal Stainless Steel Tank 1/2'' NPT Connection Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo
    MSRP: $1,140.28
    $279.19
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Founded in 1955 by Ugo Benettolo, Zilmet has become a global leader in expansion tanks, heat exchangers, and plumbing products. With over 500 employees and an annual production capacity of 8 million pieces, Zilmet operates in Italy, France, Germany, Great Britain, the United States, and China. Zilmet’s U.S. operations, established in 2012, are based in North Kingstown, Rhode Island.

At Zilmet, we focus on innovation, quality, and customer satisfaction. Our products meet high standards of performance and reliability for both residential and commercial use. We strive to improve and advance the business with simplicity and balance.

Zilmet, established in Italy in 1962, is among the oldest and largest expansion tank manufacturers globally. As an ISO 9001 certified company, Zilmet produces over 7 million expansion vessels, pressure tanks, and plate heat exchangers annually, with branches and distribution worldwide. With its North American headquarters in East Greenwich, Rhode Island, Zilmet is introducing new products for the hydronic, water systems, and solar industries into North America.