Key Benefits for Technicians: Dual-Function Capability: Manages both a safety low-water cutoff and an automated differential level (pump up/down) function from a single board

Key Benefits Compact Envelope: Designed with a low-profile footprint for installations in restricted spaces like recreational vehicles and small wall heaters

Common Questions Is the K90-40 compatible with other compressor brands

loud "thumping" noises

It is critical to match the 1/3 HP and variable speed ratings of your original unit

MARS 5041C Transformer 319847-401 Key Benefits for Technicians: Dual-FunctionThe MARS 5041C Transformer is a heavy duty, 50VA rated multi tap control transformer designed for demanding HVACR applications. This industrial grade 24V transformer features a versatile primary winding capable of handling 120 208 240 480V input, making it a universal solution for powering control circuits in air conditioning, heating, and refrigeration systems. Built with NEMA Class 2 construction, this step down transformer ensures low heat rise and