This 3/4" lead free automatic gas shutoff valve is used in gas water heater applications to protect against overheating the water in the domestic hot water supply heating system. It is a self contained device consisting of disc-to-metal seating, manual reset button, trip latch assembly, stainless steel spring seats and thermostat with extension tube. This immersion-type valve automatically shuts off the gas supply to the heater if the temperature reaches 210 degrees F (99 degrees C)

• Suitable for water heaters with up to 3/4" of insulation
• Burn N disc to metal seating for a positive seal
• Manual reset button to resume heater service
• Snap acting trip latch closes the valve at a controlled temperature