Viessmann Vitocell 300-V 79 Gallon Indirect Fired Domestic Water Heater - 7720338

  • SKU #: VIESEVIB79
  • MPN #: 7720338
MSRP: $4,002.00
$3,789.06
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Upgrade Your Hot Water With Viessmann Vitocell 300-V 7720338 (EVIB-79) 79-Gallon Indirect Water Heater

Need abundant, steady hot water with lower standby losses? The Vitocell 300-V EVIB-79 is a vertical, single-coil indirect-fired DHW tank built from high-grade stainless steel with a large-area coil for fast recovery and even temperatures—an ideal partner for modulating condensing boilers.

  • Brand: Viessmann
  • MPN: 7720338
  • Type: Vertical Single-Coil Indirect-Fired Domestic Hot Water Tank (Stainless Steel)
  • Size/Capacity: 79 US gal (300 L) nominal
  • Performance: First Hour Rating 345 GPH; Continuous Draw 269 GPH; Standby Heat Loss 0.7 °F/hr (AHRI IWH-TS-1). AHRI rating input 169 MBH @ 180 °F supply, 14 GPM.
  • Material/Finish: Stainless tank with ≈1-3/8″ (35 mm) OD stainless heat-exchanger coil; high-efficiency PUR foam insulation; white casing
  • Connections/Fit: 1″ male NPT coil supply/return; 1″ male NPT domestic cold/hot; 1″ male NPT recirculation; 1″ male NPT T&P
  • Dimensions: 26-1/4″ Dia × 68-1/4″ H; tilt height 72″ (for moving/clearance)
  • Included: Temperature & pressure relief valve; installation fittings; adjustable feet; fitted insulation; literature set
  • Certifications: AHRI Certified; NSF/ANSI 372 low-lead
  • Warranty: Limited lifetime tank warranty in residential applications (see Viessmann warranty)

Save Energy With Low Standby Loss

Thick PUR foam insulation helps minimize heat loss—just 0.7 °F per hour—so stored water stays hot longer and fuel spend stays lower.

Everyday Performance You Can Feel

A large stainless coil that reaches the bottom of the tank delivers fast, even recovery—up to a 345 GPH first-hour rating—so showers and back-to-back draws stay consistent.

Built To Last—No Anode Required

The high-alloy stainless tank and coil resist corrosion and scale buildup and don’t rely on sacrificial anodes, reducing maintenance over the tank’s service life.

Installer-Friendly Layout

Standard 1″ NPT connections and a compact 26-1/4″ diameter simplify piping in tight mechanical rooms. Tilt height of 72″ makes getting it through doors and around corners easier.

Smart System Compatibility

Works seamlessly with modulating boilers and supports multi-tank “battery” setups when higher domestic hot water volumes are needed.