Riverstone · Sydney Wide · Hawkesbury · Penrith
info@fenechplumbing.com.au
Emergency Plumbing 24/7 — 0422 718 247
No hot water. Maybe the shower ran cold this morning, maybe the tank out the back is hissing and leaking, maybe the water has turned a rusty brown. Whatever it looks like at your place, replacement is never our starting position. Fenech Plumbing & Gas repairs, services and replaces gas and electric storage tanks and instantaneous (continuous flow) hot water systems for homes across Sydney Metro, the Hills, the Hawkesbury and the Nepean, 24/7/365, and we explain the repair-or-replace call in plain words before any work begins.
It starts on the phone, and the first question is always the same: is there no hot water at one tap, or no hot water anywhere in the house? One tap is usually just that tap, often a washer, not the system. The whole house means the system, and from there the type of system points to the likely cause.
Where it helps, we'll talk you through checks over the phone first, like feeling the valve on the tank side, rather than booking a callout you might not need.
The decision comes down to the age of the system, what type and size it is, what has actually failed, and what it can realistically be replaced with. For an electric tank, that includes whether the property is on off-peak or on-peak power. For gas, it includes where the gas meter sits relative to the unit and whether the gas line is sized for it: an instantaneous unit needs a 20 mm gas line, so a 15 mm line rules one out without re-piping.
Most of it comes down to age. Around 10 years is a good run for a storage tank, though some run out to 15 or even 20. Age informs the call, it never makes it: a five-year-old tank with a failed valve gets a valve, which costs a fraction of a replacement. And the flip side is also true. Sometimes a unit that can be fixed is still more cost-efficient for you to replace, and we'll tell you that straight. The recommendation is whatever is genuinely most cost-effective for you, in either direction, and you'll understand the reasoning before anything is quoted.
Catch it at this stage and you choose the replacement day, instead of the tank choosing it for you on a winter Sunday morning.
A Castle Hill family of four woke one weekend morning to a hissing noise outside: the hot water tank had burst and was spraying everywhere. They managed to isolate the tank themselves, and Peter assessed it on site. The tank was done. They called about 10am; he sourced a replacement tank the same day, swapped it over, and the family had hot water back by early afternoon. A few weekend calls a year follow that exact shape, and same-day is the aim whenever a tank can be sourced.
First, isolate it at the valve on the tank if you can. If you can't, shut the water main to the property. That kills hot and cold water to everything, and depending on where the split is the tank can keep dribbling until the water level inside drops, but it stops more water feeding the flood. A minor leak can wait a day or two for a booked visit; don't let it go more than three or four days, because a leaking tank keeps reheating to compensate and wastes water and energy the whole time. A heavier leak needs attention sooner, and we prioritise these jobs.
Most people never touch the pressure relief (PTR) valve on their tank, and it's the one bit of maintenance worth knowing about. Every storage tank has one, and easing it open for a moment every six months is good practice: it resets the valve seat so it doesn't seal itself shut. A sealed-shut valve gives excess pressure nowhere to go, and that constant pressure build-up can eventually split the tank at its weak spots. We see the results. Beyond that: have the sacrificial anode replaced roughly every five years, keep the relief valve itself fresh every couple of years, and watch the water colour. There honestly isn't much else to a tank until something goes wrong.
When a tenant reports no hot water, it generally counts as an urgent repair, and all you usually know is "the tenant has no hot water". We liaise with the tenant directly, attend for a same-day assessment wherever possible, and aim to repair on the day. If it needs replacing, we can usually quote on the spot, or send the quote through to the agency. And where landlord approval is the bottleneck, we can sometimes do a temporary repair that keeps the tenant in hot water until the approval lands, though a fully burst tank has no temporary fix. See our property managers page, or grab the hot water cheat sheet: the specifications worth keeping on file for every property before the next no-hot-water call.
Not sure which way your system will go? Our guide on how we decide between repairing and replacing a hot water system walks through the whole decision the way we'd explain it at your door.
Tell us what's happening in your own words: "no hot water", "the hot water burst", "the water's coming out brown". We'll take it from there.
Often, yes. We run a 24/7 line on 0422 718 247 and treat no hot water as the urgent job it is, especially in winter or with young kids in the house. Same-day depends on the day, our availability and, for a replacement, whether the right tank can be sourced that day. If it can safely wait until tomorrow, we will tell you that too, and you avoid an after-hours callout you do not need.
Replacement is never our starting position. The call comes down to the age of the system, what type and size it is, what has actually failed, and what it can be replaced with. A failed tempering valve on a healthy tank is a repair. A split, leaking tank is a replacement. Sometimes a unit that can be fixed is still cheaper for you to replace, and we will tell you that straight. Either way we explain the reasoning before any work starts.
It depends how much water is coming out. A burst tank flooding a property you cannot isolate is a drop-everything emergency: shut the water main and call us. A minor leak can usually wait a day or two, but do not let it run more than three or four days, because a leaking tank keeps reheating to compensate and wastes water and energy the whole time. We prioritise leaking tanks and get out as soon as practically possible.
Three early giveaways, often weeks before total failure: the system getting close to the 10-year mark, lower hot water pressure than usual, and brown or rusty-coloured hot water, which is the main indicator the heater is on its way out. Age alone is a risk indicator, not a countdown: some tanks run 15 to 20 years. The physical symptoms are what tell you failure is actually approaching.
In our customers' own words. Read them all or see them on Google.
Peter is very kind and helpful. He helped me with rainwater tank issue at our place. Really appreciate him and highly recommend him.
Just had our old Gravity Feed Hot water system replaced with a Rheme Electric Hot Water System installed by Fenech Plumbing & Gas, the installation went well, very neat and tidy fitment. But the best thing of all is that we now have a …
Peter came out and sorted our gas hot water issues instantly. He was prompt, friendly and very professional and came up with a great solution to sort things out.I would not hesitate to call him again. Excellent value and quality workmanship.
