Plumbing Topic: Domestic Water Recirculation Systems Part 8

Norm HallPlumbing System Design, Domestic Water Recirculation, Mixing Valves, Monday Morning Minutes

“Dual Temperature Systems and Mixing Valves” “Performance Conditions of a Mixing Valve” Last week the R L Deppmann Monday Morning Minute article examined the addition of a mixing valve. Today we will examine the re-circulation system with dual temperature requirements and answer questions about the term “Performance Conditions” mentioned in the Lawler literature.

Plumbing Topic: Domestic Water Recirculation Systems Part 7

Norm HallMonday Morning Minutes, Plumbing System Design, Domestic Water Recirculation, Mixing Valves

“Addition of a Mixing Valve” During the last 6 weeks, the R. L. Deppmann Monday Morning Minutes concentrated on re-circulation systems where the supply temperature to the system was the same as the outlet temperature of the water heater. Today we will examine the addition of a Lawler master mixing valve in the system.