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For larger units like the Ultra 155 through 399
Common Questions What are the symptoms of a failing TXV in an R22 system
you establish the deadband by calibrating switching element A for your low set point and element B for your high set point
OEM Fitment: Designed specifically for the right-hand configuration of Bard wall-mount systems
This specific model features a 4-wire 2-circuit contact block
Laars Heating Systems RE0254000 Inducer Blower Assembly 321042-401 For larger units like theWhen you are troubleshooting a Laars Heating Systems unit that is failing on the combustion sequence, the RE0254000 Inducer Blower Assembly is frequently the culprit. This OEM induction fan is engineered specifically for high efficiency boilers and furnaces, ensuring that flue gases are properly drafted through the heat exchanger and out the vent terminal. A faulty inducer assembly will prevent the pressure switch from closing, effectively locking out