Valves & Plumbing Control Valves Temperature And Vacuum Relief Valves

Temperature And Vacuum Relief Valves

RMC’s Pressure and Temperature & Vacuum Relief (P, T & V Relief) Valves are safety controls which ensure that the temperature of the water in a pressurised unvented water heater cannot exceed 99° C in the event that the normal thermostatic controls fail. P, T & V Relief Valves incorporate a vacuum breaking (air-inlet) device to protect the cylinder against implosion during the contraction cycle in lower working pressure hot water cylinders.

These valves may be used to guard against over-temperature and over-pressure hazards wherever water is stored in unvented containers, particularly in lower working pressure hot water systems. This is a requirement of Australian Standard AS 3500-4.

RMC P, T & V Relief Valves are available in 15 mm and 20 mm configurations.

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15MM 65-280 KPA LTV501
20MM 65-280 KPA LTV701