Hydronic Systems

Daikin ALTHERMA

High-temperature air-to-water heat pump for
heating, cooling, and domestic hot water for your home.

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ALTHERMA Products

Daikin ALTHERMA DHW Tank - UHWS-D3VJ

Daikin ALTHERMA Stainless Steel Domestic Hot Water Tank

01

Overview

  • Comfort
  • Efficiency
  • Technology
  • Indoor Air Quality

The Daikin ALTHERMA stainless‑steel domestic hot water (DHW) tank comes in 40, 50, and 80‑gallon sizes for flexible installation. Its high‑quality insulation minimizes heat loss, and it includes built‑in recirculation and an optional anode connection. An integrated 3 kW electric booster heater—with app‑enabled control—adds extra convenience. The tank is also NSF61/372 certified for safe use in potable-water systems.

02

Comfort

  • Overview
  • Efficiency
  • Technology
  • Indoor Air Quality

The DHW tank provides reliable hot water with high‑quality insulation that minimizes heat loss. When paired with the Daikin ALTHERMA 3 H HT heat pump, homeowners get an efficient, all‑in‑one system that delivers heating, cooling, and hot water for year‑round comfort.

03

Efficiency

  • Overview
  • Comfort
  • Technology
  • Indoor Air Quality

High‑quality insulation reduces heat loss for efficient hot water delivery. As part of an all‑electric system, it supports the shift away from fossil‑fuel heating, helping homeowners enjoy reliable comfort with a cleaner, more sustainable energy approach.

04

Technology

  • Overview
  • Comfort
  • Efficiency
  • Indoor Air Quality

Stainless‑steel indirect DHW tank with a built‑in heat‑exchange coil and a 3 kW electric booster heater with app control. It also includes a recirculation connection and an optional anode connection for added flexibility and performance.

05

Indoor Air Quality

  • Overview
  • Comfort
  • Efficiency
  • Technology

With Daikin’s efficiency, quality, and smart controls, you can create an indoor environment that always feels just right. The DHW tank integrates seamlessly with the hydronic system, helping maintain steady comfort and consistent performance throughout the home.

Features & Specs
Warranty & Documents
Reviews

Features & Specs

Explore product manuals, warranty details, and other essential resources.

Features

  • Stainless steel domestic hot water tank (40 / 50 / 80 gal)
  • High‑quality insulation keeps heat loss to a minimum
  • Integrated recirculation connection
  • Connection for an optional anode
  • Integrated 3 kW electric booster heater with App functionality
  • NSF61 / 372 certification

Tech Specs

    • Tank Diameter: 23 7/16"
    • Casing: Neutral white; Epoxy‑coated steel / Epoxy‑coated mild steel
    • Maximum water temperature: 167°F
    • Maximum water pressure: 145 psi
    • Standing heat loss: 194 / 232 / 280 Btu/h
    • Booster heater capacity: 3 kW
    • Heat exchanger quantity: 1

Warranty & Documents

Explore product manuals, warranty details, and other essential resources.

5 Year Parts

warranty

* Complete warranty available from your local dealer or at www.daikincomfort.com. To receive the 5-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. The duration of warranty coverage may depend on the state in which you reside. Some states and provinces do not allow warranty coverage to be conditioned on registration. For a list of states and provinces that do not allow warranty coverage to be conditioned on registration, please visit www.daikincomfort.com/warranty-information or, to request a paper copy of this information, please call us at 1-855-502-3903. Other limitations and exclusions apply, refer to complete warranty details for full list of limitations and exclusions.

Warranty Certificate - WC-PWDHPDHWTFV-Altherma

Product Flyer

Product Flyer - PF-ALT-3HHT

Product Brochure

Product Brochure - CB-ALTH_3HHT_R32

Engineering Manual

Engineering Manual - EM-UHWS_D3VJ

Installation Manual

Installation Manual - IM-IO-7037-EN

Submittal Data

Submittal Data - Submittal_UHWS40D3VJ Submittal Data - Submittal_UHWS50D3VJ Submittal Data - Submittal_UHWS80D3VJ

Download valuable resources or send them to your inbox.

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Compatible Products

Explore compatible products and get connected with Contractors and Distributors.

Looking for parts?

Access the Daikin Spare Parts Bank now.

Reviews

Explore customer reviews and testimonials.

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Find a nearby Daikin Pro.

Get started with a Daikin Professional for recommendations and estimates for installing your Daikin comfort system.

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Daikin respects your privacy. Our Privacy Policy outlines how we collect and use information. By submitting your information here, you agree that we may contact you about our current and future products and services and that you are directing us to provide your submitted information to independent dealers in your area that offer our products and services. Your agreement and consent are not required to make a purchase but help facilitate future communications about, and the purchase of, Daikin, Goodman, and Amana-brand products and services.

You can unsubscribe from these communications at any time. For more information on how to unsubscribe, our privacy practices, and how we are committed to protecting and respecting your privacy, please review our Privacy Policy.

By clicking submit below, you consent to allow Daikin to store and process the personal information submitted above to provide you the content requested.

Daikin ALTHERMA DHW Tank - UHWS-D3VJ

Daikin ALTHERMA Stainless Steel Domestic Hot Water Tank

01

Overview

  • Comfort
  • Efficiency
  • Technology
  • Indoor Air Quality

The Daikin ALTHERMA stainless‑steel domestic hot water (DHW) tank comes in 40, 50, and 80‑gallon sizes for flexible installation. Its high‑quality insulation minimizes heat loss, and it includes built‑in recirculation and an optional anode connection. An integrated 3 kW electric booster heater—with app‑enabled control—adds extra convenience. The tank is also NSF61/372 certified for safe use in potable-water systems.

02

Comfort

  • Overview
  • Efficiency
  • Technology
  • Indoor Air Quality

The DHW tank provides reliable hot water with high‑quality insulation that minimizes heat loss. When paired with the Daikin ALTHERMA 3 H HT heat pump, homeowners get an efficient, all‑in‑one system that delivers heating, cooling, and hot water for year‑round comfort.

03

Efficiency

  • Overview
  • Comfort
  • Technology
  • Indoor Air Quality

High‑quality insulation reduces heat loss for efficient hot water delivery. As part of an all‑electric system, it supports the shift away from fossil‑fuel heating, helping homeowners enjoy reliable comfort with a cleaner, more sustainable energy approach.

04

Technology

  • Overview
  • Comfort
  • Efficiency
  • Indoor Air Quality

Stainless‑steel indirect DHW tank with a built‑in heat‑exchange coil and a 3 kW electric booster heater with app control. It also includes a recirculation connection and an optional anode connection for added flexibility and performance.

05

Indoor Air Quality

  • Overview
  • Comfort
  • Efficiency
  • Technology

With Daikin’s efficiency, quality, and smart controls, you can create an indoor environment that always feels just right. The DHW tank integrates seamlessly with the hydronic system, helping maintain steady comfort and consistent performance throughout the home.

Features & Specs
Warranty & Documents
Reviews

Features & Specs

Explore product manuals, warranty details, and other essential resources.

Features

  • Stainless steel domestic hot water tank (40 / 50 / 80 gal)
  • High‑quality insulation keeps heat loss to a minimum
  • Integrated recirculation connection
  • Connection for an optional anode
  • Integrated 3 kW electric booster heater with App functionality
  • NSF61 / 372 certification

Tech Specs

    • Tank Diameter: 23 7/16"
    • Casing: Neutral white; Epoxy‑coated steel / Epoxy‑coated mild steel
    • Maximum water temperature: 167°F
    • Maximum water pressure: 145 psi
    • Standing heat loss: 194 / 232 / 280 Btu/h
    • Booster heater capacity: 3 kW
    • Heat exchanger quantity: 1

Warranty & Documents

Explore product manuals, warranty details, and other essential resources.

5 Year Parts

warranty

* Complete warranty available from your local dealer or at www.daikincomfort.com. To receive the 5-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. The duration of warranty coverage may depend on the state in which you reside. Some states and provinces do not allow warranty coverage to be conditioned on registration. For a list of states and provinces that do not allow warranty coverage to be conditioned on registration, please visit www.daikincomfort.com/warranty-information or, to request a paper copy of this information, please call us at 1-855-502-3903. Other limitations and exclusions apply, refer to complete warranty details for full list of limitations and exclusions.

Warranty Certificate - WC-PWDHPDHWTFV-Altherma

Product Flyer

Product Flyer - PF-ALT-3HHT

Product Brochure

Product Brochure - CB-ALTH_3HHT_R32

Engineering Manual

Engineering Manual - EM-UHWS_D3VJ

Installation Manual

Installation Manual - IM-IO-7037-EN

Submittal Data

Submittal Data - Submittal_UHWS40D3VJ Submittal Data - Submittal_UHWS50D3VJ Submittal Data - Submittal_UHWS80D3VJ

Download valuable resources or send them to your inbox.

Sent Successfully

Something went wrong

Compatible Products

Explore compatible products and get connected with Contractors and Distributors.

Looking for parts?

Access the Daikin Spare Parts Bank now.

Reviews

Explore customer reviews and testimonials.

butterfly

Find a nearby Daikin Pro.

Get started with a Daikin Professional for recommendations and estimates for installing your Daikin comfort system.

My Favorites

Please enter your details to save and access your favorites

Daikin respects your privacy. Our Privacy Policy outlines how we collect and use information. By submitting your information here, you agree that we may contact you about our current and future products and services and that you are directing us to provide your submitted information to independent dealers in your area that offer our products and services. Your agreement and consent are not required to make a purchase but help facilitate future communications about, and the purchase of, Daikin, Goodman, and Amana-brand products and services.

You can unsubscribe from these communications at any time. For more information on how to unsubscribe, our privacy practices, and how we are committed to protecting and respecting your privacy, please review our Privacy Policy.

By clicking submit below, you consent to allow Daikin to store and process the personal information submitted above to provide you the content requested.

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