and Comfortmaker families

The Automation Components Inc (ACI) ARM2 is a versatile analog signal resettable monitor designed to function as a high-precision HVAC signal splitter

This module is essential for resolving HVAC blower motor failure symptoms such as erratic fan speeds

Packless Bellows Design: Eliminates common leak points found in traditional shaft-seal designs for increased longevity in steam environments

Field Serviceability: The 360-degree union nut connection allows for easy diaphragm case orientation without breaking pipe connections

Dwyer Instruments 1831-1-RA-S Pressure Switch 340155-7026 and Comfortmaker familiesThe Dwyer Instruments 1831 1 RA S Low Differential Pressure Switch is a critical safety component designed for precise HVAC pressure monitoring and air flow verification. This model operates within a set point range of 2. 5 to 9 inches w. c., making it ideal for high static pressure applications where manual intervention is required following a trip. Built with a silicone diaphragm and a rugged Type 1 enclosure, this switch manages a 10 psi maximum