Johnson Controls A19ADB-25C Remote Bulb Temperature Control

Remote Bulb Temperature Control delivers precise remote sensing for HVAC, refrigeration, and general temperature regulation. The Johnson Controls A19ADB-25C model uses a compact 0.29 inch by 2-11/16 inch bulb with a manual reset to provide dependable temperature control in heating, air conditioning, and refrigeration applications.

Designed for rugged service, its gray baked enamel over cold rolled steel enclosure provides lasting durability in equipment rooms and condensers. It offers a broad operating window with a temperature range of 100 to 240 °F and a maximum temperature rating of 290 °F, making it suitable for demanding cooling and heating setups. The unit is configured with a SPST contact and supports reliable switching for control circuits up to 24–600 VAC (125 VA).

• Bulb size: 0.29" x 2-11/16"
• Temperature range: 100–240 °F
• Maximum temperature rating: 290 °F
• Contact configuration: SPST
• Electrical ratings: 24–600 VAC, 125 VA
• Enclosure material: Gray baked enamel over cold rolled steel
• Applications: Heating, air conditioning, refrigeration