Common Questions regarding the 117U4151:

and 175 models

Regular HVAC system inspection is recommended to ensure the valve cycles correctly

Precision Control: Eliminates excessive play in the linkage

allowing for the addition of occupancy sensors to optimize energy savings during unoccupied cycles

Functional Devices RIB243P-NC Power Relay 319825-402 Common Questions regarding the 117U4151:The Functional Devices RIB243P NC is a heavy duty, enclosed power relay engineered for rigorous commercial and industrial application control. Featuring 16 inch, 600V rated wire leads and a 0. 50 inch NPT nipple, this "Relay in a Box" provides a streamlined installation for 3 pole power switching. The 24 Vac dc continuous duty coil operates a 3PST configuration with Normally Closed (NC) contacts, making it a reliable choice for failsafe operations or