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Johnson Controls A19DAC-1 Gray Baked Enamel Cold Rolled Steel Hot Water Johnson Controls A19 series temperature controls are designed to cover a broad range of uses for heating and general purpose requirements. Controls have SPST contacts which open on temperature increase or they may be supplied in SPDT contact action. Various control ranges are available to cover working temperatures from -30 to 550 deg F. Closed tank fittings and bulb wells are available for immersion applications. These controls are designed for open low and open high applications. Where critical or high value products are to be maintained within a specific temperature differential, a 1-control should not be applied to function as both an open low and open high control. In these applications, a separate backup control with alarm contacts should be wired to indicate when the back-up control operates

Johnson Controls C878-36 Low Pressure Control SPST 1/4" Male Flare Auto Rest 12"Hg/80 PSI

Johnson Controls A19AAF-12 Temperature Control 25-225 Degrees SPDT 10' Capillary

A11 Series low temperature cutout controls are available with Single-Pole, Double-Throw (SPDT) or Single-Pole, Single-Throw (SPST) contact action. Typical applications include the sensing of low temperature conditions to avoid overcooling or icing of hydronic coils, cooling coils, and liquid handling pipes. The controls are compact and sturdy, and have an adjustable temperature setpoint range with a fixed differential. The range adjustment screw is accessible at the bottom of the control, and at the top of the control when the cover is removed

Johnson Controls A11A-1 Freeze Stat 35-45 Degrees Manual Reset 20' Capillary

A19PRC type electromechanical temperature controls are designed for use in many agricultural applications. A19PRC controls have rugged Noryl® plastic enclosures and are UL Listed as NEMA Type 4X and for use in National Electrical Code (NEC) Article 547 Agricultural Environments (ANSI/NFPA 70). See Figure 1 and Technical Specifications. Adjustable A19PRC type temperature controls have O-ring sealed external setpoint adjustment knobs and range scales with oversized markings for easy readability in low light. The exposed portion of the liquid expansion sensing elements has been tested per Article 547 of the NEC.

Johnson Controls Penn A70HA-1C 4-Wire 2-Circuit Temperature Control, 15 - 55 deg F, 120/208/240 VAC, 240" Capillary

A70 series temperature control incorporates a vapor-charged sensing element
• A70H have a 4-wire, 2-circuit contact block that contains 2-isolated sets of contacts
• Contacts are designed so that when the main contact opens, the auxiliary contact closes
• Long life contact structure with high contact force right up to break, no bounce on make
• Heavy gauge"low profile" stainless steel element cup to protect against mechanical damage
• Make reset models are"trip-free"
• Auxiliary contact can be used to actuate an alarm circuit when the main contact opens
• Plus or minus 2 deg F temperature sensitivity
• Line voltage mechanical thermostat
• Remote sensing capability
• Coil freeze protection with alarm circuit
  

Johnson Controls A72AA-22 Temperature Control Two Pole 25-90 Degrees Diff 4-25 Degrees 6

Johnson Controls A421ABC-02C 1-Stage Electronic Temperature Control, -30