Expansion Tanks

Discover a range of expansion tanks designed to fit your specific boiler needs, ensuring optimal performance and efficiency. We proudly carry the best brands on the market including Watts and Zilmet. Our handpicked expansion tanks combine quality and affordability, ensuring that your boiler system runs smoothly.

127 products
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  • Zilmet ZS100V 26.4 Gal Vertical Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZS100V 26.4 Gal Vertical Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZS100VZILZAF010
    • MPN #:
    MSRP: $7,575.24
    $2,544.40
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    Project Pricing

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    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS100H 26.4 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZS100H 26.4 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZS100HZILZAF010
    • MPN #:
    MSRP: $7,599.74
    $2,554.63
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS1 0.26 Gal Stainless Steel Tank 1/2'' NPT Connection Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

    Zilmet

    Zilmet ZS1 0.26 Gal Stainless Steel Tank 1/2'' NPT Connection Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

    • SKU #: ZILZS1ZILZAF012MF
    • MPN #:
    MSRP: $1,205.78
    $306.53
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS18 4.8 gal in-line: Stainless steel expansion tank with 3/4": Stainless steel NPT connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    Zilmet

    Zilmet ZS18 4.8 gal in-line: Stainless steel expansion tank with 3/4": Stainless steel NPT connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    • SKU #: ZILZS18ZILZAFL2234
    • MPN #:
    MSRP: $1,712.56
    $545.30
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS24H 6.3 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZS24H 6.3 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZS24HZILZAF010
    • MPN #:
    MSRP: $4,481.84
    $1,225.47
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS2 0.53 Gal Stainless Steel Tank 1/2'' NPT Connection Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

    Zilmet

    Zilmet ZS2 0.53 Gal Stainless Steel Tank 1/2'' NPT Connection Zilmet ZAF012MF 1/2'' MNPT X 1/2'' FNPT Activflo Solo

    • SKU #: ZILZS2ZILZAF012MF
    • MPN #:
    MSRP: $1,238.48
    $322.46
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS24V 6.3 Gal Vertical Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZS24V 6.3 Gal Vertical Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZS24VZILZAF010
    • MPN #:
    MSRP: $4,369.40
    $1,174.70
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS12 3.2 Gal Stainless Steel Tank 3/4'' NPT Connection - Nsf61 Certified with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    Zilmet

    Zilmet ZS12 3.2 Gal Stainless Steel Tank 3/4'' NPT Connection - Nsf61 Certified with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    • SKU #: ZILZS12ZILZAFL2234
    • MPN #:
    MSRP: $1,319.18
    $379.61
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS8 Inox Pro ZS8 Expansion Tank, 2.1 Gal Capacity, 3/4 in Connection, NPT Connection, 304 Stainless Steel with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    Zilmet

    Zilmet ZS8 Inox Pro ZS8 Expansion Tank, 2.1 Gal Capacity, 3/4 in Connection, NPT Connection, 304 Stainless Steel with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    • SKU #: ZILZS8ZILZAFL2234
    • MPN #:
    MSRP: $1,253.88
    $349.26
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZS60H 15.9 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZS60H 15.9 Gal Horizontal Stainless Steel Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZS60HZILZAF010
    • MPN #:
    MSRP: $5,997.26
    $1,878.86
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZSP24 6.6 Gal Solar Plus Tank 3/4'' NPT Connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    Zilmet

    Zilmet ZSP24 6.6 Gal Solar Plus Tank 3/4'' NPT Connection with ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

    • SKU #: ZILZSP24ZILZAFL2234
    • MPN #:
    MSRP: $1,016.64
    $276.32
    Project Pricing

    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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  • Zilmet ZSP105 27.7 Gal Solar Plus Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    Zilmet

    Zilmet ZSP105 27.7 Gal Solar Plus Tank 1'' NPT Connection with ZAF010 ActivFlo Whole House Water Conditioner

    • SKU #: ZILZSP105ZILZAF010
    • MPN #:
    MSRP: $3,841.62
    $1,045.03
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    Project Pricing

    Get Accurate Project Pricing for Your Plumbing Needs

    Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

    Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Premium Boiler for Maximum Comfort

Welcome to Plumbing Deals, your source for high-quality expansion tanks designed to enhance the efficiency and lifespan of your boiler system. We seamlessly blend affordability with top-tier quality. We carry some of the best performing names in the industry, including Watts and Zilmet. Whether you're a homeowner or a seasoned contractor, our carefully selected products are here to ensure your boiler operates at its best, without breaking the bank. Discover a range of expansion tanks designed to fit your specific boiler needs, ensuring optimal performance and efficiency.

Whether you're in the process of upgrading your existing boiler system, replacing outdated equipment, or embarking on a new project, Plumbing Deals is here to provide tailored solutions to meet your specific needs. Elevate your boiler's performance to exceptional levels with our wide array of products and expertise. Delve into our carefully curated expansion tank selection, where you can find not only quality products but also amazing deals that fit your requirements. Our goal is to ensure that your boiler operates efficiently, your comfort remains at optimal levels, and your budget stays intact. Explore our diverse categories today, and together, let's transform every heating season into a truly satisfying and efficient experience.

Trending Products

Zoeller M63 Premium Series Submersible Sump Pump

Zoeller Pumps

Zoeller M63 Premium Series Submersible Sump Pump

  • SKU #: ZOE63-0001
  • MPN #:
MSRP: $415.00
$311.25
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Project Pricing

Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Noritz EZTR75NG Natural Gas Residential 75 Gallon Tankless Water Heater

Noritz

Noritz EZTR75NG Natural Gas Residential 75 Gallon Tankless Water Heater

  • SKU #: NOREZTR75NG
  • MPN #:
MSRP: $4,434.61
$2,363.65
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Project Pricing

Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Liberty Pumps PC237-442-10A Sump Pump Combo System: Primary and Backup

Liberty Pumps

Liberty Pumps PC237-442-10A Sump Pump Combo System: Primary and Backup

  • SKU #: LIBPC23744210A
  • MPN #:
MSRP: $1,564.00
$1,137.04
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Project Pricing

Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Toto Neorest LS One Piece Elongated Universal Height Toilet Dual Flush 0.8 and 1.0 GPF in Cotton White with Silver Trim

Toto

Toto Neorest LS One Piece Elongated Universal Height Toilet Dual Flush 0.8 and 1.0 GPF in Cotton White with Silver Trim

  • SKU #: TOTMS8732CUMFG-01S
  • MPN #:
MSRP: $8,964.00
$6,724.00
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Project Pricing

Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Grohe 32298DC3 Zedra Single-Handle Pull Down Kitchen Faucet Triple Spray 1.75 GPM In Supersteel Finish

Grohe

Grohe 32298DC3 Zedra Single-Handle Pull Down Kitchen Faucet Triple Spray 1.75 GPM In Supersteel Finish

  • SKU #: GRO32298DC3
  • MPN #:
MSRP: $687.00
$480.90
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Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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Studiolux SLi 5400 1-Piece Tankless Intelligent Toilet, in White

Studiolux

Studiolux SLi 5400 1-Piece Tankless Intelligent Toilet, in White

  • SKU #: STUSLI5400
  • MPN #:
MSRP: $5,295.00
$3,387.19
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Project Pricing

Get Accurate Project Pricing for Your Plumbing Needs

Project pricing at Plumbing-Deals is tailored to meet your specific project. The size of a plumbing job that qualifies as a project can vary, generally its larger than a single bathroom or kitchen remodel. By submitting the form or calling, you're taking the first step towards receiving a customized quote that considers your project's scope, timeline, and budget, ensuring a seamless and cost-effective solution for your plumbing parts and supplies.

Ready to get started? Call us at 888-682-5956, and let's make your plumbing project a success!

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