The YWCA facility of Walla Walla, Washington, has come a long way since its groundbreaking ceremony in 1950. However, the heating plant was one of the facility’s few areas that had not been improved since its original installation more than 60 years ago, and it was on its last leg in 2012. The YWCA’s 3 million Btu/hr steam boiler, which occupied nearly a third of the floor space in the mechanical room, had started to leak in several a

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