A72AE-1C Cooling Tower or Evaporative Condenser Controls

Johnson Controllers Mechanical Temperature Controller A19ABC-4C Remote Bulb, SPDT, Heat & Cool The A19 Series mechanical controls are single-stage temperature controls that incorporate environmentally friendly liquid-filled sensing elements. Features: Wide temperature ranges available Constant differential throughout the entire range Compact enclosure Fixed or adjustable differential available Variety of sensing element styles Unaffected by cross-ambient conditions

J10-808 Wall or Duct Mount Humidistat. Ranco® J10 Series are designed to regulate the relative humidity of confined spaces by cycling humidifying or dehumidifying equipment. They are designed for use as internal components for portable humidifiers and dehumidifiers, and as wall mounted humidity controls for central systems. Made from high impact plastic with a brushed gold-tone dial plate and a beige cover. A nylon sensing element provides long life and accurate humidity control. The Wall/Duct Humidistat can be wall mounted or installed directly in a cold air return duct. The Wall Mount ...

The A421 Series controls are single stage, low-voltage electronic temperature controls with a single-pole, double-throw (SPDT) output relay. These can be used to control a wide variety of single-stage refrigeration or HVAC equipment with an ambient temperature range of -40 to 212°F. Model A421GEF-02C features Type 4X (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount and rated for 24 VAC Class 2, Safety Extra Low Voltage. Includes A99BB-200C temperature sensor with a 2 in. standard probe and 6.6 ft. PVC cable. Features: Control Front Panel LCD Basic and ...

The A11 Series low temperature cutout controls incorporate a 20-foot long, vapor charged, sensing element. The A11 reacts to the coldest 18-inch section of the controls sensing element. The A11 is suitable for monitoring the face temperature of hot water coils for freeze protection. Features: Snap-acting switch External temperature scale Easy setpoint adjustment with top or bottom access

The A99B Series Temperature Sensors are passive PTC (Positive Temperature Coefficient) sensors. The A99B sensors are splashproof and are designed to measure temperature in a variety of refrigeration applications. Several accessories allow easy tailoring of the temperature sensor to various mounting configurations. Applications include temperature sensing for freezers and coolers, as well as in defrost termination sensing, space and return air temperature sensing, and condenser fan cycling. Features: Variety of lead lengths available to encompass most application requirements and simplify ...