120V/24V Models available
Green LED indicates power On
Red LED indicates Low Water
Test button
Meets requirements of ASME Standards CSD-1
No lock out with loos of power if probe is in water
20,000 ohms probe sensitivity
The McDonnel & Miller Series RB-120 LWCOs provide protection against low water conditions. The PS-800 is for commercial and industrial applications. These controls are fully CSD-1 compliant. Furthermore they are primarily used as LWCOs on hot water heating boilers. If you need a different model other than those listed, please contact us at info@controlssupplychain.com.
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Controls Supply Chain is a provider of oil & gas instrumentation worldwide.