it provides a dual 4-digit LCD display for clear monitoring of setpoints and actual process values

Can I use an adjustable universal switch instead of the 11177103

What are the electrical requirements for the 14270049

this part will not be a compatible substitute due to the difference in resetting logic and safety function

Superior Protection: Internal motor protection and a magnetite-resistant design prevent damage from system debris and electrical overload

Supco 90290 Relay 326058-755 it provides a dual 4-digitThe Supco 90290 Relay is a heavy duty, general purpose 24V N O SPST relay engineered for reliable switching in HVACR and industrial control circuits. Built for high cycling applications, this SPST fan relay features a 24 VAC coil and single pole, normally open contacts, making it a professional grade solution for managing HVAC blower motor operation and automated equipment sequences. With a contact rating of 8 FLA 18 LRA and a 50 60 Hz frequency