What does the yellow color code signify

5VDC output ensures compatibility with Aaon digital controllers

Is the Modine 5H0749730001 compatible with older Hot Surface Ignition (HSI) models

sump pumps

and Arcoaire air handlers

ASCO 8220G31 Solenoid Valve R-22 What does the yellow colorThe ASCO 8220G31 Solenoid Valve is a high performance 2 way normally closed pilot operated valve engineered for demanding high temperature applications. Featuring a robust brass body and a 2 inch NPT connection, this 120V AC solenoid valve is optimized for controlling the flow of steam and hot water in industrial HVACR systems. It boasts a high flow coefficient of 43 Cv, supporting pressure ranges of 5 125 PSI for steam and 5 150 PSI for hot water.