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Little Giant Pressure Relief Valve

Pressure Relief Valve

Little Giant Manufacturing

Availability: In stock.

Product Name Price Qty
Pressure Relief Valve $77.00
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Quick Overview

Pressure Relief Valve for Little Giant Water Heaters PRESET to open at 600psi. If your running without a Pressure Relief Valve or aren't sure what it is or where it should be installed, please contact a Sun-Belt sales or service representative.


The Pressure Relief Valve on a Little Giant Water Heater is a safety measure in place to prevent unexpected and dangerous high pressure from rupturing the expensive copper heater coils. These valves come preset from the manufacturer to bypass water that is pressurized beyond 600 PSI.

Little Giant Heater Coils on standard pressure models are pressure tested at 900 PSI at the factory. Little Giant does not recommend adjusting the pressure relief valve, they are preset for a reason. It is a good maintenance procedure to check that the set screw in the pressure relief valve is not lose so that the valve will not back out and allow for increased pressure to the system.

The pressure relief valve is essential for safe operation of Little Giant Water Heaters. Replace immediately if pressures exceed 600 PSI and the relief valve does not open.

Having problems with your Little Giant Water or do you just want to make sure it is operating properly. View the complete Hotomatic Troubleshooting Guide below.
Hotomatic Troubleshooting Guide | Page 1
Hotomatic Troubleshooting Guide | Page 2

Other helpful guides for Hotomatic Little Giant Water Heaters
Hotomatic Operating Instructions
Hotomatic Operation Setup

Additional Information

Manufacturer Little Giant Manufacturing
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