Johnson Controls V47AC-40 Pneumatic Thermostat 3/4" 40-85°F Cross Ambient

The Johnson Controls V47AC-40 is a pneumatic thermostat designed for precise temperature control in commercial HVAC systems. This direct-acting thermostat provides reliable proportional control with a temperature range of 40°F to 85°F, making it ideal for cooling applications and moderate climate control.

Key Features:

• Temperature range: 40°F to 85°F (4°C to 29°C)
• 3/4 inch pipe connection for standard pneumatic systems
• Cross ambient sensing element: 11/16" diameter x 10" length
• Proportional control for smooth, precise temperature regulation
• Direct-acting operation for cooling control applications
• Durable construction for long-term reliability in commercial environments

The V47AC series thermostats utilize a cross ambient sensing element that provides accurate temperature measurement across the controlled space. The pneumatic operation eliminates the need for electrical connections, making it ideal for hazardous locations or systems where electric controls are impractical. This thermostat is commonly used in rooftop units, air handlers, and other commercial HVAC equipment requiring dependable temperature control.