Key Benefits for Technicians High-Contrast 3-1/2 Inch Dial: Enhances legibility from a distance

The Johnson Controls V11HDA-100 is a rugged

backlit interface provides high visibility for setpoint and ambient temperature tracking

This adapter is essential for maintaining the 90 lb force output required in modern hydronic balancing

Carrier HK02ZA442 Pressure Switch 340793-762 Key Benefits for Technicians High-ContrastThe Carrier HK02ZA442 Pressure Switch is a critical safety component engineered for precise high pressure cut out in Carrier, Bryant, and Payne residential and commercial systems. This genuine OEM replacement part is calibrated for a 448 PSI open and 327 PSI close threshold, ensuring the compressor is protected from over pressurization during demanding cooling or heating cycles. As a direct HK02ZA442 high pressure switch, it serves as the official