A. W. Cash Valve Manufacturing Corporation

W Doyle Lamb

Lawrence F Luckenbill

A thermal element having a tubular casing with an open end, a volume of heat-responsive, expandable wax positioned in said casing at a distance from the open end thereof, a spherical resilient seal member compressively positioned in the casing adjacent said wax, a motion-transmitting pin extended between the seal member and the open end of the casing and having a relatively soft washer affixed thereto for engagement against the seal member and with at least one peripheral notch in the washer permitting flow of liquid thereacross.

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Decatur, IL, United States of America

W Doyle Lamb