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What does the 90 PSI MOP charge do for the system
25" WC range is used when pressure is expected to flow only in one direction
The primary 120Vac side typically uses White (Neutral) and Black (Hot)
Simplified Maintenance: Facilitates rapid internal overhauls of PopTop series 2-way 3/4" and 1" valves without disturbing piping
Johnson Controls R-317-1 Controller Freon What does the 90 PSIThe Johnson Controls R 317 1 Air Flow Controller is a precision proportional direct acting pneumatic controller designed for low pressure sensing in commercial HVAC systems. Engineered for high accuracy air velocity control, this unit operates within a sensing range of . 05" WC to 1" WC, making it a reliable component for static pressure control and VAV system maintenance. The R 317 1 features a 25 psig maximum supply pressure and delivers a 45 SCIM
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