Features:
MR4 Four Stage
± 1.8 Degree Accuracy
Provides Temperature and Alarm Management

Specifications:

Manufacturer: Johnson Controls
Manufacturer Part Number: MR4PMUHV-12
Product Type: Temperature and Defrost Control
Supply Voltage: 24VAC
Dimension: 5.95" x 11" x 5.5"
Weight: 3.28 lb
Includes: Two Sensors and Relay