How do you size a Rinnai?

How do you size a Rinnai?

Multiply the square footage by the BTU per square foot to arrive at the total BTU rating you’ll need from your Rinnai heater. All Rinnai heaters are rated for a particular number of BTU, ranging from 8,000 up to 40,000 or more, giving you a lot of flexibility in the model you can buy.

How big of a tankless water heater do I need Rinnai?

Rinnai tankless gas water heaters need a demand of at least 0.4 to 0.6 gallons per minute of water flow through the hot side to ignite and 0.26 gallons per minute to stay in operation.

What size tankless water heater do I need for a family of 6?

What Size Tankless Water Heater Do I Need For A Family Of 2, 3, 4, 5, Or 6?

Number Of Family Members: Gas Tankless Heater Size (GPM) Electric Tankless Heater Size (kW)
What size tankless water heater do I need for a family of 5? 9-11 GPM 25-34 kW
What size tankless water heater do I need for a family of 6? 11+ GPM 34+ kW

Can a water heater be too big?

When your tank water heater is too big for your home, you have ample hot water, but issues occur in other areas. An oversized water heater heats more hot water than your household needs, which wastes energy. The same goes for tankless water heaters that are too big – they waste energy and money.

How many BTU do I need calculator?

For example, a 300 square foot room typically requires 7,000 BTUs to maintain a comfortable temperature, while a 1,000 square foot room requires 18,000 BTUs. A simple formula to determine your heating needs is: (desired temperature change) x (cubic feet of space) x . 133 = BTUs needed per hour.

Why do you need a Rinnai tankless water heater?

Rinnai Tankless Water Heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. Plus, you never have to worry about running out of hot water with a Rinnai Tankless Water Heater because it keeps heating as long as it is needed.

What type of regular maintenance does a Rinnai tankless water heater require?

There are two types of periodic maintenance that your service technician should perform to keep your Rinnai tankless water heater in top shape. It’s important to note, the time in between necessary maintenance will depend on the water quality in your home. 1. The in-line screen filter should be checked periodically for debris and cleaned.

Does a Rinnai tankless water heater have a standing pilot?

In the event of a power outage, the Rinnai unit will not operate. This is because Rinnai Tankless Water Heaters do not have a standing pilot light. They operate with an electronic ignition.

How big should my tankless water heater be?

Tankless or on-demand heaters for water are also called instantaneous water heaters. There is no need to use a storage tank for these types. A good choice would be 20 inches for its height, 14 inches for its weight, and 6 inches deep.