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verifying the NTC thermistor resistance against the manufacturer’s ohm chart is essential when troubleshooting "flue sensor open" or "limit exceeded" fault codes
and VEY series (sizes 08 through 16)
it de-energizes when the temperature rises to the setpoint
this is a fixed-setting 30# relief valve
B2HA models typically utilize a different diameter seal
Schneider Electric (Erie) T201 Thermostat 321894-708 verifying the NTC thermistor resistanceThe Schneider Electric (Erie) T201 Thermostat is a high performance 24V digital heat only thermostat engineered for precise temperature regulation in residential and light commercial hydronic or forced air systems. This non programmable HVAC control features a single stage heating interface with a dedicated Heat Off system switch, making it a reliable solution for boiler systems, unit heaters, and single stage furnaces where fan control or changeover
US$ 350.00
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