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Let’s be thankful that here in Australia we get off pretty lucky in our experience for what passes as ‘Winter’. We don’t have to endure months of sub-zero temps that can wreak havoc with our household plumbing.
We can rejoice in the fact that pipes that freeze, or worse yet, burst, are not a regular occurrence, especially here in sunny Queensland.
But, even with our version of winter there are a few plumbing precautions we may want to consider.
During the winter months our temps do dip from our usual balmy beach days. And, as the days grow shorter and the mornings chillier, our reliance on our trusty mate, the hot water system, increases.
So, as we are now in our cooler months of the year, it is worth considering some preventative hot water system maintenance to avoid costly repairs and some severely uncomfortable chilly morning showers!
Are you more of an ‘ease into the day with a long hot shower that warms you up while it wakes you up’ type? Or, are you one of those who welcomes a fullon cold blast from their morning shower ritual that shocks you into the day ahead?
If you’re the latter (and dare we say minority), good on ya! You’re more daring than most.
Cold showers can be a terrific source of increased alertness, stronger immune systems, and improved physical recovery. But, they’re definitely not for everyone!
There are benefits to both hot and cold showering. If you’re curious as to what they are, have a read of this.
For all you who prefer the welcoming warmth of a long hot steamy winter morning shower, please read on.
The most common hot water system repairs are due to the heating element and thermostat failure.
A heating element and thermostat in a hot water system is very similar to the working of an electric kettle. Depending on use, the heating element in a hot water system will cycle over 15,000 times in a decade. When in need of repair, it requires a licensed tradesperson to undertake due to the requirement to disconnect electricity during the repair process.
The second most common repair of a hot water system is due to the failure of the tank itself. When water is heated inside of a hot water system it expands. The cooler the water prior to heating the greater the expansion. Over time the tank weakens by oxidising or rusting and expansion causes a weld or the cylinder within the tank to fail.
Direct from the everything you needed to know about hot water systems but were afraid to ask files…
It is not widely known that inside of electric hot water cylinders there is a sacrificial anode. A sacrificial works by oxidising or rusting as the weaker metal rather than the steel tank.
Sacrificial anodes are commonly found where mechanical components are in contact with water. Sacrificial anodes dissolve due to an electrochemical reaction inside the hot water cylinder and after 5 years they become spent and require replacement.
This again is a task best left to a licensed tradesperson due to the different range of anodes and potential for incorrect fitting to damage the hot water service.
Another method to combat the failure of tank cylinders is with the fitting of Cold Water Expansion valves. Nowadays we are required by law to install Cold Water Expansion valves on any new hot water system installations. Cold Water Expansion valves are set to a lower release pressure than a Pressure and Temperature Relief valve.
This allows the discharge of the expanded water from the cold supply pipes instead of hot water from the Temperature Pressure Relief valve. This saves wasting hot water which you have already paid to heat and discharges cold water instead.
Every homeowner can prevent the failure of their hot water system by regular operation of the Pressure and Temperature Relief valve. (Us older plumbers know them as TPR’s)
Pressure and Temperature Relief valves are essential to prevent devastating consequences such as the rupture or explosion of a hot water system if the thermostat fails and the hot water system continuously heats. PTR’s should be operated each 6 months to check their operation and to keep them in working order.
Most hot water cylinders have a warning from the manufacturer to replace the PTR valve at 5 year intervals. This is to ensure the reliable operation of the valve if it is required. If your PTR has begun to discharge water or leak, it is a sign that there is a problem and should be inspected by a licensed tradesperson. There are other valves on the hot water system which fail and require replacement.
Put simply, preventative maintenance can avoid more serious hot water problems from occurring.
Hot Water System Maintenance (Every 6 months):
Hot Water System Maintenance (Every 5 years):
I hope this hot water system maintenance advice helps you keep those hot showers running through the cooler months!
If you’re definitely not a fan of the cold shower and you need to schedule a hot water system service, installation or replacement you can do so here.
If you already have hot water problems check out our hot water system troubleshooting guide or get in touch with the best bunch of plumbers here on the Gold Coast!
