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it is designed for standard control circuit voltages within these units
provided any optional vent limiters remain upright
Universal Field Replacement: Exact replacement for the White-Rodgers 190-056 and offers compatibility with a wide range of horizontal thermostats
If the valve fails to open despite receiving power
Manual reset models require a technician to physically press a button to resume operation after a trip
Johnson Controls P70MA-2 Pressure Control THPU32HP7Y it is designed for standardThe Johnson Controls P70MA 2 Pressure Control is a heavy duty dual pressure switch engineered specifically for ammonia refrigeration systems (R 717). This SPST switching control integrates both high and low side protection into a single, ruggedized all steel enclosure, meeting the demands of commercial and industrial ammonia plants. The low pressure side features a wide adjustment range from 20" Wc to 100 psi with a tunable 7 psi to 50 psi
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