Expansion Tanks

Upgrade your system with our top-of-the-line expansion tanks, built to ensure maximum efficiency and long-lasting performance for your water heater. Whether you're dealing with a thermal expansion tank, a pressure tank, or a bladder tank, we've got you covered with reliable solutions tailored to meet your specific needs.

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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: $1,114.43
    $246.57
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  • Zilmet ZHP250 52.8 Gal Hydro-Plus Thermal Expansion Tank, 1-1/4 in Connection, Carbon Steel, Epoxy, Almond
    MSRP: $3,280.96
    $961.24
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  • Zilmet ZSP600 158.5 Gal Solar Plus Tank 1'' NPT Connection
    MSRP: $4,880.66
    $2,829.76
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  • Zilmet ZSP500 132.1 Gal Solar Plus Tank 1'' NPT Connection
    MSRP: $4,264.98
    $2,573.74
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  • Zilmet ZSP400 105.7 Gal Solar Plus Tank 1'' NPT Connection
    MSRP: $3,881.80
    $2,401.17
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  • Zilmet ZHT700 184.9 Gal Hydronic Tank 1'' NPT Connection
    MSRP: $6,476.33
    $2,770.23
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  • Zilmet ZTTA-42 22 Gal Asme Thermal Expansion Tank With Fixed Diaphragm 1" NPT Connection
    MSRP: $2,469.60
    $2,085.37
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  • Zilmet ZS100H 26.4 Gal Horizontal Stainless Steel Tank 1'' NPT Connection
    MSRP: $4,670.04
    $2,180.16
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  • Zilmet ZS100V 26.4 Gal Vertical Stainless Steel Tank 1'' NPT Connection
    MSRP: $4,645.54
    $2,169.07
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  • Zilmet ZSP300 79.3 Gal Solar Plus Tank 1'' NPT Connection
    MSRP: $3,280.82
    $1,993.31
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  • Zilmet ZHT600 158.5 Gal Hydronic Tank 1'' NPT Connection
    MSRP: $4,853.52
    $2,236.43
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  • Zilmet ZHT500 132.1 Gal Hydronic Tank 1'' NPT Connection
    MSRP: $4,175.22
    $2,035.09
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Maximize Water Heater Efficiency with Expansion Tanks

Did you know that adding an expansion tank to your water heater system can significantly improve its efficiency and extend its lifespan? When water heats up, it expands, creating extra pressure in your plumbing system.

Without the right solution, this pressure can strain your pipes, fixtures, and even your water heater itself. That’s where a thermal expansion tank or pressure tank comes in. These tanks absorb the excess water pressure, protecting your system and ensuring smoother operation. At Plumbing Deals, we offer a carefully curated selection of hydronic, bladder tank, vertical, horizontal, and floor-mounted tanks, tailored to meet a variety of system needs.

The Right Expansion Tank for Every Water Heater System

Choosing the right expansion tank isn’t just about compatibility—it’s about optimizing performance and comfort. For example, a bladder tank is ideal for systems that need precise pressure control, while hydronic and thermal expansion tanks are perfect for managing temperature changes in your water heating system.

Our range includes vertical, horizontal, and floor-mounted tanks, providing options that fit seamlessly into any setup. By investing in the right tank, you not only protect your water heater but also enhance energy efficiency, which can save you money in the long run.