The 30-158-B is the internal replacement motor component

As an internal-pilot operated valve

such as the 3-7/16" 2459U

The Heil Quaker ICP 512050230WT Rollout is a critical safety component designed for Heil Quaker

Utica-Dunkirk 240006970 Wire Harness 326058-757 The 30-158-B is the internalThis Utica Dunkirk 240006970 Wire is a critical OEM replacement wiring harness engineered for precise integration within 90 125 200 series boilers. As a genuine HVAC factory part, it ensures high integrity signal transmission between the control board and system sensors, maintaining the sequencing logic essential for safe boiler operation. Utilizing a low voltage wire harness design, this component is built to withstand the thermal cycling and