20 Most Recent Honeywell Ct87n "the Round" Heat/cool Thermostat New/fresh/sealed Questions & Answers


Judith that information is on the package or information sheet provided .they even provide labels to mark your wires with .

Honeywell Ct87n... | Answered on Nov 22, 2015


These are color codes wires for terminals that control fan relay,start,stop, temp-up/down ect. Also you can trace out those wires, Where they are going and what terminal on the wiring schematic they control.

Honeywell Ct87n... | Answered on Jun 28, 2014


Some time ago I had that happen and because of the age my repair man said it would cost too much to repair it. The problem was a worn out thermostat.

Honeywell Water... | Answered on Feb 13, 2019


This is likely a gas valve issue. Call a repair person, it is not recommend you repair it as there is a danger of explosion.

Honeywell Water... | Answered on Jun 07, 2018


turn off gas and power then small silver line connected to gas valve goes down under burner and has two wires going to gas valve take picture before taking apart then replace and relite pilot

Honeywell Water... | Answered on Dec 23, 2017


if voltage from transformer ok check to pressure switch bad or loose wire

Honeywell Water... | Answered on Dec 23, 2017


check zone valves and temp sensor

Honeywell Water... | Answered on Dec 23, 2017


No, the the defective valve is only on gas fireplaces and stoves, not hot water heaters.

Honeywell Water... | Answered on Oct 04, 2017


Check the pilot is clean not a short flame so its missing the sensor. Also check flame sensor and connection .

Honeywell Water... | Answered on Aug 12, 2017

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