Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2020 | 08/14/2020 - 14:28 | 7.0302.1i | Expansion tank | Install an expansion tank anytime a storage water heater is supplied with cold water that passes through a check valve, pressure reducing valve or backflow preventer Connect the tank to the cold water supply line at a point that is downstream of all check valves, pressure reducing valves and backflow preventers Size thermal expansion tanks in accordance with the tank manufacturer's instructions and applicable code (e.g., IRC, IBC) |
Protect tank and connected piping from expansion damage or leaks |
Black Line | ||
| Version 2020 | 08/14/2020 - 14:28 | 7.0302.1i | Expansion tank | Install an expansion tank anytime a storage water heater is supplied with cold water that passes through a check valve, pressure reducing valve or backflow preventer Connect the tank to the cold water supply line at a point that is downstream of all check valves, pressure reducing valves and backflow preventers Size thermal expansion tanks in accordance with the tank manufacturer's instructions and applicable code (e.g., IRC, IBC) |
Protect tank and connected piping from expansion damage or leaks |
Black Line |