Description Dickinson Marine 12V Speed Control Switch in Housing – 01-998H Overview: The Dickinson Marine 01-998H is a 12-volt speed control switch housed in a protective enclosure, designed to regulate the operating speed of compatible blowers or fans used with Dickinson marine heating systems. This control allows users to fine-tune airflow for improved heat distribution and comfort aboard. 12V DC operation: Designed for standard marine electrical systems. Variable speed control: Allows precise adjustment of blower or fan speed. Protective housing: Enclosed design helps protect the control from damage in marine environments. Improves comfort: Enables better control of heat output and air circulation. Purpose-built for Dickinson systems: Engineered for compatibility with Dickinson marine heaters and accessories. Why You’ll Like It: This speed control switch gives you greater control over cabin comfort by allowing you to adjust airflow to suit changing conditions. It helps reduce noise at lower speeds while still delivering effective heat distribution when needed. Built for Marine Heating Applications: Designed for use in marine environments, this housed speed controller is well suited for installation near Dickinson heaters, blowers, or ventilation components where durability and reliable operation are essential. What’s In The Box Dickinson Marine 12V Speed Control Switch in Housing Specifications Brand Dickinson Marine Model / Part Number 01-998H Product Type Speed control switch Voltage 12 V DC Control Type Variable speed Housing Protective enclosed housing Compatibility Dickinson marine blowers and heating accessories Application Marine heater airflow and blower control Environment Marine cabin installations