Replace a failed or damaged control component with theDometic Circuit Board, designed for reliable heat and cool switching in compatible HVAC systems. This analog control board helps manage system relay functions to ensure proper operation between heating and cooling modes in RV and mobile climate applications. Built for select Dometic systems, it supports consistent performance and restores essential functionality to maintain comfortable interior temperatures during travel or stationary use. Designed for compatibility with multiple Dometic series units, this relay board is a direct replacement solution for restoring HVAC control performance in RV and camper systems. Features:• Controls HVAC heat and cool relay switching• Direct replacement for compatible Dometic systems• Restores proper system operation• Analog control design for stable performance• Used in RV climate control systems• Supports reliable mode transition functionSpecs:• Brand: Dometic• Part Number: 3106996.022• Dimensions: 4-1/4 in x 3-5/8 in• Compatible Series: 579, 590, 595, 600• Part Type: HVAC relay control board HVAC relay replacement board RV climate system component Fits select Dometic systems