Brisbane Backflow Prevention & Thermostatic Mixing Valves

Backflow prevention devices are used to safeguard the water supply against harmful contaminants. RPZ, RPZD (reduced pressure zone device), dual check and single check valves are amongst the most common back-flow devices found in QLD. Backflow devices are typically found in domestic, residential and commercial applications.  Conrad Martens Plumbing’s backflow testing specialists are licenced to repair, replace and submit backflow compliance certificates. The most common premises include restaurants, hotels, workshops, medical facilities, commercial cleaning and schools. Medium and High-Risk contamination sources include;

  • Swimming pools
  • Water tanks
  • Fire hose reels
  • Irrigation systems
  • Air-conditioning towers and
  • Chemical injection stations

Thermostatic mixing valves are commonly installed in healthcare facilities such as hospitals and nursing homes to prevent scalding. We specialise in testing and servicing these devices and offer competitive pricing.

We offer backflow testing promotional rates for new customers and discounts for properties with multiple devices.  All our clients are scheduled for automatic annual reminders to ensure devices remain compliant. For more information, or for a free quotation, call our friendly team on 3878 4444.


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Backflow Testing

Backflow prevention devices, including Duel Check Valves, Vacuum Breaker Valves and Reduced Pressure Zone Devices (RPZD), require annual testing and certification. Annual testing is enforced by the Brisbane City Council to safeguard against contaminated sources entering the water supply. The most common applications for backflow devices include; swimming pools, childcare centres, schools, sports grounds, shopping centres and household sprinkler systems.

Our team of backflow specialists hold open plumbing licences with a special endorsements for testing backflow prevention and TMV devices.  We are experienced in maintaining and servicing backflow devices and have access to diagrams of every make and model of RPZ valve, dual check valve and vacuum breaker valve on the market.


Thermostatic Mixing Valves

Thermostatic mixing valves precisely mix hot and cold water to a pre-selected temperature. TMV’s are primarily installed in health care facilities, hospitals and nursing homes to prevent scalding. The valves operate using a thermostatic element and sensor set.

In order to safeguard against a valve failure  design includes a thermal shut down component which prevents scalding in the event of a valve failure. To reduce the possibility of failure during operation, these valves require servicing on a regular basis.  We can implement a regular servicing schedule and submit a commissioning/maintenance reports upon completion.

Our accredited licensed plumbers also provide a full maintenance and replacement service for all types of Thermostatic Mixing Valves.

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