This specific model features a NEMA 1 enclosure intended for indoor duct applications

Maxitrol uses color-coding or plating (like this one) to distinguish pressure ranges

Specifically designed for 58STA and 58STX series units

Sweat Connections simplify installation with standard brazed refrigerant piping

Zero Governor Precision: Optimized for burners

Lochinvar & A.O. Smith 100112697 Wiring Harness L99H008 This specific model features aThe Lochinvar & A. O. Smith 100112697 Wiring Harness is a critical OEM component designed for high efficiency commercial boilers and gas water heaters. This specialized blower wiring harness features a 61. 5 inch lead and integrated channels, ensuring precise signal transmission between the main control module and the combustion blower assembly. As a genuine HVAC replacement part, it is engineered to withstand the thermal stresses of continuous burner