Designed for precision fitment

maintaining the correct WC spring range is non-negotiable for system safety and flame stability

the switch is likely defective

specifically sizes 200

It is the designated replacement for part ARM1063

Honeywell 315559E Resistor Els PW 17895 Designed for precision fitmentThe Honeywell 315559E is a high precision pneumatic tee restrictor designed for commercial HVAC control systems. This critical component serves as a fixed orifice within pneumatic tubing systems, specifically engineered to regulate airflow and maintain consistent branch line pressure for pneumatic thermostats and HVAC zoning accessories. As a veteran technician knows, maintaining the correct time constant in a control loop is essential; the Honeywell