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The Guru® DL2.1 CH and CHS Plugs are drain valves that are easily retrofitted into water-cooled air compressor heads that release only when cooling water drops to the set-point temperature.

Both CH and CHS are available with an anti-tampering cap to eliminate tampering with the resetting stem.
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Guru® DL 2.1 CH and CHS Locomotive Freeze Protection Thermostatic Valves

Guru® DL 2.1 Type-CH and 35 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve
Guru® DL 2.1 CH and CHS Locomotive Freeze Protection Thermostatic Valves

Guru® DL 2.1 Type-CHS and 35 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve
Guru® DL 2.1 CH and CHS Locomotive Freeze Protection Thermostatic Valves

Guru® DL 2.1 Type-CH and 40 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve
Guru® DL 2.1 CH and CHS Locomotive Freeze Protection Thermostatic Valves

Guru® DL 2.1 Type-CHS and 40 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve
Description N/A The Guru® DL2.1 CH Plugs are drain valves that are easily retrofitted into water-cooled air compressor heads that release only when cooling water drops to the set-point temperature.

Both CH are available with an anti-tampering cap to eliminate tampering with the resetting stem. 		N/A The Guru® DL2.1 CHS Plugs are drain valves that are easily retrofitted into water-cooled air compressor heads that release only when cooling water drops to the set-point temperature.

Both CHS are available with an anti-tampering cap to eliminate tampering with the resetting stem. 		N/A The Guru® DL2.1 CH Plugs are drain valves that are easily retrofitted into water-cooled air compressor heads that release only when cooling water drops to the set-point temperature.

Both CH are available with an anti-tampering cap to eliminate tampering with the resetting stem. 		N/A The Guru® DL2.1 CHS Plugs are drain valves that are easily retrofitted into water-cooled air compressor heads that release only when cooling water drops to the set-point temperature.

Both CHS are available with an anti-tampering cap to eliminate tampering with the resetting stem.
Brands N/A ThermOmegaTech®
Type N/A Type-CH N/A Type-CHS N/A Type-CH N/A Type-CHS
Cartridge N/A 481-04-82-CART N/A 481-04-82-CART N/A 481-04-81V-CART N/A 481-04-81V-CART
Temperature N/A 35 ºF N/A 35 ºF N/A 40 ºF N/A 40 ºF
Available Options N/A Both GURU® DL 2.1 are available in various configurations, including in a tee or cross body, with different flange styles such as grooved flanges and gasket seals, flat-faced flanges, or a combination of both.

All GURU® plugs are also available with anti-tamper domed caps to prevent tampering with the valve resetting stem.
Locomotive Freeze Protection N/A GURU® plugs are self-operating drain valves installed at the lowest point in a locomotive's engine coolant system to automatically and continuously sense the water temperature to prevent water lines from freezing.