Zone control valve not closing

Old 11-02-19, 08:54 AM
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Zone control valve not closing

Just replaced White Rodgers 1361-102 zone control, one in series of three. Unit will open when thermostat calls for heat but will not activate to close. A manual "jog" of the valve produces return to open position going past the close position. Other two valves operate well. When I open thermostat connection (disconnect one wire at splice) the "jog" will engage and stop at closed position. Multimeter test of thermostat wires show wires are good and thermostat seems to work---continuity makes/breaks at terminal end wires with manual operation of thermostat. Model # CT30A1005/U1. Any ideas what may be the issue? Thanks.
Old 11-02-19, 11:32 AM
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Hi, have you looked into the TS page?

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