This control switches electrical loads from relays, fans and motors in HVAC and commercial applications in response to changes in refrigerant pressure. This SPST type switch's low-pressure range is 10 - 100 psig, high-pressure range is 150 - 450 psig and can be reset manually.Order item #12Z407 from Grainger.RANCO Dual Pressure Control from Grainger
This control switches electrical loads from relays, fans and motors in HVAC and commercial applications in response to changes in refrigerant pressure. This SPST type switch's low-pressure range is 10 - 100 psig, high-pressure range is 150 - 450 psig and can be reset manually.Order item #12Z407 from Grainger.
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