Water Cylinder Sizes

It is the sole responsibility of the system designer to select the correct products needed for the specific application.

Water cylinder sizes. 70 80 litres of hot water to run a bath. But a tankless option with comparable output for instance the takagi tankless natural gas. 50 100 litres of hot water for a full load in the washing machine12 20 litres of hot water per cycle in the dishwasher. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements.

The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water. For example a 50 gallon tank water heater can be as much as six feet high and 22 inches in diameter. On an average a class b rv is normally equipped with a fresh water tank of size 18 40 gallons. That volume of water between 50psi and 30psi is the drawdown.

3 4 fixtures at once you ll need at least 7 gpm. Class c rv is normally equipped with a fresh water tank of size 35 55 gallons on an average. The drawdown is not to be confused with the total tank volume. Here s an easy hot water cylinder size guide.

Sizing storage and heat pump with tank water heaters. To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating. Your total tank volume is a measure of the tank size required to produce the desired drawdown capacity. Fifth wheel is normally equipped with a fresh water tank of size 60 75 gallons on an average.

There are three main sizes of hot water cylinders. Hot water cylinder sizes. Hot water cylinders hot water cylinder sizing calculator. 0 2 litres of hot water per second when you run the kitchen taps.

2 3 fixtures at once you ll need at least 5 gpm. By number of bedrooms. That said a mains pressure system can use about 18 litres of water per minute at 40 degrees celsius if a decent quality shower head is used. Picking the right hot water cylinder depends on how many people live in the house.

By number of occupants. Due to diversity factors in reality a 300 litre capacity is the realistic maximum. Essentially the drawdown is the length of time the pump is protected from shutting on and off. Which hot water cylinder size is best for me.

When selecting the size of the hot water cylinder a simple rule of thumb is that for a typical domestic household you should allow between 35 and 45 litres for every occupant. Smith reserves the right to make changes to pro size without notice.