PressureRelief Valve

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The Pressure and Temperature Relief valve (PTR) is 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.

PressureTemp Relief Valve

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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.

Water heaterrelief valvedripping

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The Calibration Dual Gauge Gas Regulator Valve is a multiple use accessory. It allows you to control the flow of the various gases that are supplied to the patient and verify that the flow is within the specification limits. During the process, the regulator is inserted to the calibration gas cylinder. Once done, a silicon hose is connected between the regulator and the flow meter. The regulator overflow port is blocked and the regulator should be opened in order to check the flow rate of the flow meter. The allowable flow specification is 260 to 410 ml/min at 2 to 16 bars. If the regulator does not meet the flow specification, the component needs to be replaced.

PressureRelief Valvereece

Temp relief valvereplacement

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.

pressure and temperaturerelief valve- bunnings

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I cant comment on it at this stage the previous valve only lasted 17 months it was installed in a new Rinnai solar sysrem I am very happy with you're prompt service I was unable to purchase one in my area

The valve rating plates are colour coded to make selecting the correct valve easy. Simply match the PTR valve to an ECV with a rating plate of the same colour.

The Calibration Dual Gauge Gas Regulator Valve is a multiple use accessory. It allows you to control the flow of the various gases that are supplied to the patient and verify that the flow is within the specification limits. During the process, the regulator is inserted to the calibration gas cylinder. Once done, a silicon hose is connected between the regulator and the flow meter. The regulator overflow port is blocked and the regulator should be opened in order to check the flow rate of the flow meter. The allowable flow specification is 260 to 410 ml/min at 2 to 16 bars. If the regulator does not meet the flow specification, the component needs to be replaced.

Temp relief valveinstallation

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.

Below is more information on the equivalent parts. Parts without a hyperlink are listed for reference only and are not available for purchase online.

Don't know your approval number? Call 800-437-1171Enter opt 1 for the first three prompts, and have your System ID available.If you add item(s) to cart and submit your order without the approval number, GE will contact you before your order can be confirmed for shipment.

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