Bosch 330 PN Tankless Water Heater 3.3 GPM

The Bosch 330 PN is another reliable appliance created to provide endless amounts of hot water on demand. The unit is gas fired and comes without a tank, giving users utmost efficiency and convenience after installation. The modulating gas valve helps the appliance be more efficient and only work when the hot water is turned on.

Description

The Bosch 330 PN is another reliable appliance created to provide endless amounts of hot water on demand. The unit is gas fired and comes without a tank, giving users utmost efficiency and convenience after installation. The modulating gas valve helps the appliance be more efficient and only work when the hot water is turned on. The Bosch 330 PN has a maximum gas input of 74,900 BTU, whereas its maximum output is 60,000 BTU. TopTenWater.com has conducted extensive research on this unit to assess what its strengths and weaknesses are. At the end of this page, you’ll have a clear idea of whether or not this unit is a good fit for you.

With a thermal efficiency of 77%, this tankless water heater promises to deliver hot water for a range of applications. While its use seems to be mostly for residential purposes, it can also be used for smaller commercial applications. This Bosch water heater can provide a flow rate of 3.3 Gallons Per Minute at a temperature rise of 35F degrees. Going further, you can expect 2.6 GPM at a 45F degree rise, and 2.2 GPM at a 55F degree rise. Bosch is known to provide lasting and reliable appliances and users can expect the same from this unit. In the research we conducted, it seemed that owners of this appliance were located on various continents.

That’s most likely because it’s an efficient and effective unit. It’s innovative Piezo ignition system does not require an electrical connection, allowing users to fire it up whenever they want. It is an ideal appliance for locations that are prone to power outages. The vent on this unit is designed to burn exhaust gases and typically needs a certain length of pipe, or else the safety mechanism can turn the unit off. In addition, the Bosch 330 PN gas water heater is intended to be mounted on a wall instead of more discrete locations such as under the sink or an attic. This is obviously because the appliance needs to vent and if that is not carried out properly, users face the risk of an inoperable device.

  • This tankless water heater cannot be power-vented and instead should be vented straight through the roof with a B-Vent anywhere from 4 to 6 inches long
  • This unit does not require you to light it up with a lighter thanks to its built-in ignition button
  • The pilot light simply needs to be turned on and then the unit fires up on its own
  • The required incoming water pressure should fall between 15 PSI and 25 PSI.
GOODBAD
Compact form for easy installationCannot be installed under sink
Natural gas-poweredNo Wi-Fi capability
Priced competitivelyLimited Availability
Piezo ignition systemNot designed for sub-zero usage

Features

  • Non-condensing whole house unit designed for indoor use
  • Maximum capacity of 3.3 Gallons Per Minute
  • Comes with a 15-year warranty
  • Can be used at locations with altitude as high as 4,500 ft
  • General product life expectancy is up to 20 years
Energy Factor0.77
Power Source0.5 GPM
Maximum Output60,000 BTU/hr
Maximum Input74,900 BTU/hr
Gas Connection Size½” NPT
Minimum recommended water pressure9.4 GPM
Width12.20”
Depth8.66”
Height22.83”
Weight16 lbs.
Vent Diameter4”

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