How often should a hot water cylinder be checked?

A six-monthly pressure relief valve test and a check every few years on the anode and general condition is a reasonable schedule for most Christchurch homes, more frequently for older cylinders.

Is a CCTV drain inspection worth it if nothing's blocked yet?

Yes, particularly on older sections with earthenware drains and mature trees nearby. It's much cheaper to reline or clear a root intrusion early than to deal with a full blockage or a collapsed section later.

Can you set up a recurring maintenance schedule for a rental property or small commercial building?

Yes, we do this regularly for landlords and small commercial sites. We agree a frequency and checklist up front and provide a report after each visit.

Preventative Plumbing Maintenance Christchurch

12 August 2026 · 6 min read · Taylor Plumbing

Plumbing tends to get attention only when something's already failed, a burst pipe, a blocked drain, no hot water. Most of those failures give warning signs weeks or months earlier, and a short, regular maintenance schedule catches the majority of them before they turn into an after-hours callout.

This is the schedule we run for landlords, body corporates and homeowners across Canterbury who want to get ahead of problems rather than react to them.

Monthly checks (five minutes, no tools)

Look under sinks and around the hot water cylinder for damp or staining
Check taps and the toilet cistern for drips or a running fill valve
Test that outside gully traps are clear and grates are in place
Note any change in water pressure or drainage speed

Six-monthly checks

Test the pressure relief valve on the hot water cylinder by lifting the lever briefly
Clear gutters and downpipes, especially before autumn leaf drop
Check exposed pipework in the roof space and subfloor for corrosion or movement
Flush a jug of hot water and detergent down slow-draining sinks
Check the toby and water meter box are accessible and not seized

Annual checks

Once a year is worth a proper look rather than a glance. A CCTV drain camera every one to three years catches root intrusion and joint movement long before it causes a blockage, particularly on older sections in Riccarton, St Albans and Sydenham with mature trees and earthenware pipe still in the ground.

Gas appliances, cylinders and any backflow prevention devices on commercial sites usually have a legal servicing interval as well, check the compliance schedule rather than guessing.

Hot water systems

Cylinders benefit from a sacrificial anode check every few years to slow internal corrosion
Continuous flow gas units need an annual service to keep the burner clean and efficient
Set cylinder output to 60°C or above to control legionella, and use a tempering valve to deliver a safe temperature at the tap

Why this matters more in Canterbury

Ground movement since the earthquakes has left plenty of pipework under stress that isn't visible from the surface, and winter frosts in Selwyn and on the Port Hills add another failure point each year. A small annual spend on checking catches most of this before it becomes a weekend emergency.

Setting up a schedule for a rental or commercial building

For landlords and facilities managers, the easiest way to keep this consistent is a standing maintenance visit rather than relying on tenants or staff to notice and report issues. We can set up a recurring schedule and provide a written report after each visit for your records.

Frequently asked questions

Need a hand with this?

Preventative plumbing maintenance for Christchurch homes, rentals and businesses. Catch it before it costs.

See our Preventative Maintenance service in Christchurch

More guides

Back to all guides

A Preventative Plumbing Maintenance Schedule for Canterbury Homes and Buildings