Parts & Accessories - Relief Valve

TRV | Thermal Relief Valve (TRV)

Hale’s Thermal Relief Valve automatically protects your pump from the overheating that may be caused by “deadheading”. Minimizing the need for operator attention to overheating during pumping operations, the TRV 120 automatically dumps a controlled amount of water to atmosphere or back to tank when the pump water temperature exceeds the preset value (120oF/49oC) of the relief valve, and then automatically closes when the water cools. When ordered as a TRV-L 120 with indicator light option, a visual warning lamp is lit when the TRV valve is open. The TRV-L 120 combines the functions of water bypass with an operator warning system

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Fire Service Gauges | Fire Service Gauges

Class1 is a leading manufacturer of gauges that exceed the rigorous demands of fire service professionals. Standard, Backlit, & Duplex gauges are available in a wide variety of sizes and pressure ranges.

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102709 | Gauge Test Plug (Single)

Gauge Test Plug is nickel plated brass with a 1/4” NPT front port and 1/8” NPT back port.

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121384 | Test Port Assembly

Ease of installation and simplicity of design makes this test port assembly the best option for multiple tasks behind the panel. Each port has one front 1/4” NPT port, one back 1/4” NPT port, and two 1/4” DOT push-on fittings. The ports behind the panel are perfect for mounting pressure transducers for pressure governors. This assembly is made of brass with a chrome plated bezel.

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