It operates on 120Vac with a Class F coil rating

This is a single 48 cubic inch core

Is there a difference between the 393690-4 and the 393690-4/U model

What is the function of the SPDT switch in this application

Honeywell 14004438-001 Insert Els PW 17895 It operates on 120Vac withField technicians managing pneumatic control systems know that a missing or damaged Honeywell 14004438 001 Insert can compromise both the security and visual professional standard of a facility's HVAC infrastructure. This satin chrome setpoint cover insert is engineered specifically for the TP970 series pneumatic thermostats, including the TP971, TP972, and TP973 models. It is designed to fit the setpoint slot on standard covers, providing a finished