Johnson Controls a36ahb-33c Multi-stage Temperature Control 0 to 70F Differential Close

Product Description

The Johnson Controls A36AHB-33C is a multi-stage temperature control designed for use in commercial and industrial HVAC systems where precise temperature regulation across multiple stages is required. This controller operates within a sensing range of 0 to 70 degrees Fahrenheit and features a differential close action, making it well suited for applications where staged heating or cooling equipment must be sequenced on and off in response to changing temperature conditions. Multi-stage temperature controls like the A36AHB-33C are critical components in systems that rely on sequenced compressor or heating stages, hydronic systems, air handling units, and building automation setups. The differential close functionality means the control is designed to close its switching action based on a set temperature differential, which helps prevent short cycling and improves overall system efficiency. HVAC technicians and mechanical contractors rely on controls like this to maintain stable zone temperatures and protect equipment from excessive cycling. The A36AHB-33C from Johnson Controls is built to the standards expected from a manufacturer with a long history in building controls and HVAC automation. This type of temperature controller is typically mounted inside a control panel or directly on equipment and wired into the control circuit. It monitors ambient or fluid temperature and triggers stage changes at the appropriate setpoints. Proper staging reduces wear on compressors, boilers, and other mechanical components by distributing run time evenly across multiple units or stages. This makes the A36AHB-33C a reliable choice for light commercial rooftop units, air handlers, chiller systems, and staged electric heat applications. Its 0 to 70 degree Fahrenheit range covers typical comfort cooling and heating scenarios found in commercial buildings.

• Multi-stage temperature control for sequencing HVAC heating and cooling equipment
• Operating range of 0 to 70 degrees Fahrenheit for comfort and light commercial applications
• Differential close action helps prevent short cycling and protects mechanical components

Product Highlights

The Johnson Controls A36AHB-33C delivers reliable multi-stage temperature switching with a 0 to 70 degree Fahrenheit range and differential close action, making it a dependable choice for staged HVAC control applications in commercial and light industrial environments.

Product Information

Standard Information

• Brand: JOHNSON CONTROLS
• Manufacturer Part Number: A36AHB-33C

Technical Specifications

• Control Type: Multi-Stage Temperature Control
• Temperature Range: 0 to 70 degrees Fahrenheit
• Action: Differential Close