CORRECTION: Page 58, Thermostat, Inspection & Repair, section 2. The Valve opening temperature T₂ should read: Valve opening temperature T₁, and the value should read 82±1.5^oC (179.6±2.7^oF). Also the graph in the upper right corner of page 58 in figure 7-9 has the same temperature conversion error in it.  The value of the temperature span between the arrow-headed lines should read: 8°C (14.4°F).

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