A14_Water Heater Detail.pdf

This document is a technical schematic diagram illustrating a water heater and mixing valve detail system. The diagram depicts a dual water heater configuration with integrated temperature and pressure control mechanisms designed to supply hot water to a building system.

The schematic shows two separate water heater units (labeled RB1 and RB2) with associated piping and controls. Key components include: vacuum relief valves, cold water supply intake, thermostatic mixing valves for temperature regulation, volume control and check valves, thermostatic check valves, hot water distribution lines, a recirculating pump with separate hot return water lines from fixtures, expansion tanks, union connections, drain provisions, and a manifold section for pressure and temperature balance. The system incorporates direct overflow floor drain capability and housekeeping pad mounting. The dual configuration allows for redundancy and load balancing in hot water delivery throughout the facility. Control mechanisms include thermostatic regulation to maintain desired water temperatures and prevent excessive pressure buildup, with provisions for system expansion and circulation maintenance.