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Honeywell Pressure Switches and Controls
Honeywell C437 models have direct- and reverse-acting (spst) switching; C637B has single-pole, double-throw (spdt) switching.
The Honeywell C6097 Pressure Switches are safety devices used in positive-pressure or differential-pressure systems to sense gas or air pressure changes.
Honeywell L404 and L604 Pressuretrol® Controllers are line voltage pressure controllers that provide operating control, automatic limit protection, or manual reset limit protection for pressure systems of up to 300 psi (21.1 kg/cm2 or 2068 kPa).
The Honeywell L4079A,B, and W PressureTrol® Limit Controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.
The Honeywell L4079A and B can be used with steam, air, noncombustible gases, and fluids noncorrosive to the sensing element.
The Honeywell L4079W is for use on oil burner systems.