Cala Systems Water Heater Manuals

1 Cala Systems water heater with owner guides and verified specifications

Select your Cala Systems model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.

Cala Systems water heaters by model number

Cala Systems Water Heater Manuals

Model	Description	Certified
RDH6524M1	65-gallon heat pump water heater	July 2025