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How Does a Gas Storage Hot Water System Work?

How Does a Gas Storage Hot Water System Work?

Posted on by Dejan Josipovic

In Australia there are two types of gas storage hot water systems. The internal gas storage hot water systems which are installed indoors and must be flued to the outside to vent exhaust gas and of coarse the external gas storage hot water systems which are located outside and are exposed to the harsh Australian weather elements. The technology used in both types of gas storage hot water systems has been around for over 100 years and with continued improvement and innovation it has become a great conductor of heat. Gas storage hot water systems only need around 40 minutes to heat 135 Litres of water using the heat source from the burner located at the base of the hot water system.

A gas storage hot water system works by cold water from the main water supply being pumped into the bottom of an insulated storage tank where it is heated by a gas burner located at the base of the hot water system. The water is then heated to a pre-set temperature that is regulated by a thermostat which can be adjusted manually by a dial at the base of the tank.

A flue extends from the base of the hot water system to the top of the reservoir which is baffled to slow the heat produced from the burner from rising to efficiently transfer the heat generated by the burner to the stored water. A gas hot water system can burn either Natural Gas (also called mains gas) delivered via a piped network, or LPG (Liquefied Petroleum Gas), which is bottled.

To prevent the hot water system reservoir from losing heat polyurethane foam is commonly used to insulate the reservoir as the bubbles trapped inside polyurethane foam make for a poor heat conductor and provide excellent thermal resistance keeping water hot for a long time.

COMMON INSTALLATION QUESTIONS

(Q) I already have natural gas connected for cooking. Can I replace my electric water heater with a gas storage hot water model and use the existing piping?

It will depend on the size of your existing gas pipe, and the type of gas water heater you want to install. Most gas storage water heaters can be fitted to the gas pipe that already exists in many houses. Hot Water Nurse can check your existing set up, advise you on what’s needed, and then give you a quote to install it.

(Q) Can I install a gas water heater if I haven’t had one before?

If you have gas piping in your street, your home can be connected to natural gas. Your local energy provider can advise if gas is available, and arrange connection. If gas is not available, you can install a propane (also known as LPG) gas water heater, which can be run from refillable gas bottles. Either way, a plumber can advise what will be involved.

(Q) How do I determine what size gas storage water system to buy?

This will all depend on how many people live in the household, how much hot water everyone uses, and when they use it. A gas storage hot water system that is too small will continually run out of hot water, while one that is too large will be more expensive to run because it will maintain the water temperature even when it is not being used. It is important to select the right hot water system for your house hold needs. The team at Hot Water Nurse will help you choose the right-sized system for your household.

(Q) What are the pros and cons?

Pros - Gas storage hot water systems produce less greenhouse gas emissions than electric hot water systems and depending on your location, gas systems are usually are considered to have lower usage rates compared to electricity, making them the most cost-effective option long term.

Cons - Gas storage hot water systems are only really viable if you’re connected to mains gas (Natural Gas), as using gas bottles is more expensive and you could end up running out of hot water if a gas backup bottle system isn't in place. Gas storage hot water systems must also be located outside, or have an exhaust vent if they are located inside.

(Q) Can i install my new hot water system myself?

Unless you are a licensed plumber the simple answer is NO. The risks aren’t worth it, avoid serious harm and voiding your warranty and call a plumber or the team at Hot Water Nurse.

Hot water is essential for any home however, choosing the right hot water system can be confusing. There is a huge range of different brands and hot water systems on the market. Durability, features, efficiency and options vary widely. This affects the price of any given system. With so many options, making the right choice can feel impossible but the team at Hot Water Nurse are here to help. Simply call us on 1300 793 614 and speak to one of our expert hot water customer service team members.

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Electric

Does your Hot Water System need a Safety Tray?

Does your Hot Water System need a Safety Tray?

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Gas

How Does a Gas Storage Hot Water System Work?

How Does a Gas Storage Hot Water System Work?

Posted on by Dejan Josipovic

In Australia there are two types of gas storage hot water systems. The internal gas storage hot water systems which are installed indoors and must be flued to the outside to vent exhaust gas and of coarse the external gas storage hot water systems which are located outside and are exposed to the harsh Australian weather elements. The technology used in both types of gas storage hot water systems has been around for over 100 years and with continued improvement and innovation it has become a great conductor of heat. Gas storage hot water systems only need around 40 minutes to heat 135 Litres of water using the heat source from the burner located at the base of the hot water system.

A gas storage hot water system works by cold water from the main water supply being pumped into the bottom of an insulated storage tank where it is heated by a gas burner located at the base of the hot water system. The water is then heated to a pre-set temperature that is regulated by a thermostat which can be adjusted manually by a dial at the base of the tank.

A flue extends from the base of the hot water system to the top of the reservoir which is baffled to slow the heat produced from the burner from rising to efficiently transfer the heat generated by the burner to the stored water. A gas hot water system can burn either Natural Gas (also called mains gas) delivered via a piped network, or LPG (Liquefied Petroleum Gas), which is bottled.

To prevent the hot water system reservoir from losing heat polyurethane foam is commonly used to insulate the reservoir as the bubbles trapped inside polyurethane foam make for a poor heat conductor and provide excellent thermal resistance keeping water hot for a long time.

COMMON INSTALLATION QUESTIONS

(Q) I already have natural gas connected for cooking. Can I replace my electric water heater with a gas storage hot water model and use the existing piping?

It will depend on the size of your existing gas pipe, and the type of gas water heater you want to install. Most gas storage water heaters can be fitted to the gas pipe that already exists in many houses. Hot Water Nurse can check your existing set up, advise you on what’s needed, and then give you a quote to install it.

(Q) Can I install a gas water heater if I haven’t had one before?

If you have gas piping in your street, your home can be connected to natural gas. Your local energy provider can advise if gas is available, and arrange connection. If gas is not available, you can install a propane (also known as LPG) gas water heater, which can be run from refillable gas bottles. Either way, a plumber can advise what will be involved.

(Q) How do I determine what size gas storage water system to buy?

This will all depend on how many people live in the household, how much hot water everyone uses, and when they use it. A gas storage hot water system that is too small will continually run out of hot water, while one that is too large will be more expensive to run because it will maintain the water temperature even when it is not being used. It is important to select the right hot water system for your house hold needs. The team at Hot Water Nurse will help you choose the right-sized system for your household.

(Q) What are the pros and cons?

Pros - Gas storage hot water systems produce less greenhouse gas emissions than electric hot water systems and depending on your location, gas systems are usually are considered to have lower usage rates compared to electricity, making them the most cost-effective option long term.

Cons - Gas storage hot water systems are only really viable if you’re connected to mains gas (Natural Gas), as using gas bottles is more expensive and you could end up running out of hot water if a gas backup bottle system isn't in place. Gas storage hot water systems must also be located outside, or have an exhaust vent if they are located inside.

(Q) Can i install my new hot water system myself?

Unless you are a licensed plumber the simple answer is NO. The risks aren’t worth it, avoid serious harm and voiding your warranty and call a plumber or the team at Hot Water Nurse.

Hot water is essential for any home however, choosing the right hot water system can be confusing. There is a huge range of different brands and hot water systems on the market. Durability, features, efficiency and options vary widely. This affects the price of any given system. With so many options, making the right choice can feel impossible but the team at Hot Water Nurse are here to help. Simply call us on 1300 793 614 and speak to one of our expert hot water customer service team members.

Hot Water Nurse Sydney New Hot Water Systems Repair Installations Rheem Dux Rinnai Bosch AquaMax Vulcan



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Leave a comment

Please note, comments must be approved before they are published

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