AVG PTR15-850-LF Pressure Temperature Relief Valve 850 KPA 15mm 1/2" BSP designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. The valve will then relieve the increase in pressure by releasing drips of hot water to the drain line. Should the electrical temperature cut-out device cease to operate correctly, the water will overheat. The temperature probe will then open the PTR valve and discharge hot water to the drain line. It is recommended that an ECV be fitted to the cold water supply line. This will relieve cold water, not hot water, during the heating cycle, saving energy and increasing the life of the PTR. Some local governments make it mandatory to install an ECV in the cold water line. PTR and ECV valves are safety valves and should be replaced every 4 years.
AVG PTR15-850-LF Pressure Temperature Relief Valve 850 KPA 15mm 1/2" BSP
$69.00
Excl. GST:
$62.73
Excl. GST:
Code : 69673
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Pressure and Temperature Relief valve (PTR) is designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. High pressure may cause excessive discharge and possible premature failure of the operating relief valve (see table). The maximum water pressure usually occurs during the night, at the time of lowest water usage. In any mains pressure water heater installation if the water pressure exceeds 80% of the nominal set pressure of the operating relief valve, a Pressure Limiting Valve must be fitted to the cold inlet. If a cold water expansion control valve is fitted it will have a lower set pressure than the PTR valve and therefore will be the main operating relief valve.
15mm 1/2" BSP
Pressure Setting 850kPA
CAUTION: Danger of scalding this valve relieves hot water.
AVG valves should always be installed by a licensed plumber in accordance with National Plumbing Code
Lead Free
15mm 1/2" BSP
Pressure Setting 850kPA
CAUTION: Danger of scalding this valve relieves hot water.
AVG valves should always be installed by a licensed plumber in accordance with National Plumbing Code
Lead Free
Details
AVG PTR15-850-LF Pressure Temperature Relief Valve 850 KPA 15mm 1/2" BSP designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. The valve will then relieve the increase in pressure by releasing drips of hot water to the drain line. Should the electrical temperature cut-out device cease to operate correctly, the water will overheat. The temperature probe will then open the PTR valve and discharge hot water to the drain line. It is recommended that an ECV be fitted to the cold water supply line. This will relieve cold water, not hot water, during the heating cycle, saving energy and increasing the life of the PTR. Some local governments make it mandatory to install an ECV in the cold water line. PTR and ECV valves are safety valves and should be replaced every 4 years.
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- SKU
- 69673
- Size
- 15