Honeywell PressureTrol Controllers

Description

Honeywell PressureTrol series of pressure switches and controllers. Feature a stainless steel diaphragm for use with steam, air, noncombustible gases and fluids non-corrosive to stainless steel.
Micro Switch snap-acting switches open automatically on pressure rise; must be manually reset. Mount using 1/4 in. NPT female fitting on diaphragm assembly or surface mount through back of case.

The Modulating type operate off a three wire variable resistor with a resistance of 135 ohm.

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