Viessmann Vitocell 300-V 42 Gallon Indirect Fired Domestic Water Heater - 7720348

  • SKU #: VIESEVIB42
  • MPN #: 7720348
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Viessmann Vitocell 300-V EVIB-42 | 42-Gallon Stainless Steel Indirect Water Heater — More Hot Water, Faster Recovery (7720348)

Want abundant hot water and low upkeep from a compact tank? The Vitocell 300‑V EVIB‑42 pairs a stainless steel storage tank with a high‑surface‑area internal coil to heat water quickly using your boiler. Foam insulation keeps heat where it belongs, while corrosion‑resistant construction means no sacrificial anode to replace and dependable performance for years.

  • Brand: Viessmann
  • MPN: 7720348 (Vitocell 300‑V EVIB‑42)
  • Type: Vertical, Stainless Steel Indirect‑Fired DHW Storage Tank
  • Capacity: 42 US Gallons (160 L)
  • First Hour Rating: 223 GPH (844 LPH)
  • Continuous Draw Rating: 189 GPH (715 LPH)
  • First Draw: 34 Gallons (128 L)
  • AHRI Rating Conditions: 119 MBH input, 180°F boiler supply, 14 GPM
  • Heat Exchanger Surface Area: 11 ft² (1.0 m²)
  • Heating Coil Water Content: 1.95 USG (7.4 L)
  • Standby Heat Loss: 0.8 °F/hr (0.4 °C/hr)
  • Insulation: Foamed‑in‑place PUR with Vitopearlwhite steel jacket
  • Connections (Heating): 1" male NPT supply/return
  • Connections (DHW): 3/4" male NPT cold/hot; 3/4" recirculation; 3/4" T&P
  • Dimensions (Dia × L × H): 25" × 26" × 47" (tilt height 50")
  • Weight (Dry): 126 lb (57 kg)
  • Finish: Vitopearlwhite
  • Warranty: Limited Lifetime (residential; see terms)

Fast, Even Hot Water

A large, stainless steel coil transfers heat efficiently from the boiler to the tank, supporting high recovery and steady temperatures—great for back‑to‑back showers and busy households.

Durable Stainless Steel Construction

The tank and heat‑exchange coil are made from high‑alloy stainless steel for excellent corrosion resistance. That means no sacrificial anode to maintain and a long service life.

Efficient, Well‑Insulated Design

Thick PUR foam insulation and a tight jacket help minimize standby losses, keeping more heat in the water and less in the mechanical room.

Smart Coil Layout

The internal coil is self‑venting at the top and self‑draining at the bottom to limit air locks and scale buildup. The coil reaches deep into the tank to heat a large portion of the stored volume for a generous draw.

Installer‑Friendly Connections

Clearly labeled, 1" heating and 3/4" DHW tappings plus a dedicated recirculation port simplify piping. Adjustable feet and compact 25" diameter make placement and leveling easy in tight rooms.