Common Questions: What is the thread size for the thermowell connection

148-inch OAL for a direct-fit replacement without field modifications

4 scim restrictor (such as the HFO-0010) in the supply line for proper pneumatic room thermostat operation

When diagnosing a noisy inducer or a "Limit Tripped" code

Ranco O16-585 Pressure Control Els PW 17895 Common Questions: What is theThe Ranco O16 585 Pressure Control is a field proven low pressure switch designed for critical suction sensing and safety cutout applications in commercial refrigeration and HVAC systems. As a SPDT manual reset control, it provides dependable protection by requiring a manual intervention once the low pressure threshold is breached, preventing short cycling or compressor damage. This unit features a wide pressure range of 10" Hg to 100 PSI with a fixed