Water heater and boiler processes

A flow balancing method for a plant having a plurality of boilers or water heaters comprising:

• providing a controller operatively coupled to a plurality of boiler or water heater units of a plant, each unit of the plant including an isolation valve;
• initiating by use of said controller a manual or automatic flow balancing process;
• shutting down said plant and setting each unit to a certain fire rate;
• and
• automatically setting valve position of each unit by said controller to achieve a common desired temperature rise across each water heater or boiler unit or adjusting a valve position of each unit manually by use of said controller to achieve a common desired temperature rise across each water heater or boiler unit.

A programmed auto run method for a boiler or water heater comprising:

• providing a controller operatively coupled to a boiler or water heater unit;
• shutting down said boiler or water heater unit by said controller;
• setting at least one profile with a plurality of points, each point including a hold duration and a setpoint as a configured profile;
• running said boiler or water heater unit to recreate said configured profile by an on demand run of said configured profile;
• and
• on completion of run of said configured profile returning by said controller, said boiler or water heater unit to a normal mode of operation.