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which can cause contactor pitting or failure of the start capacitor during the next cycle
The Lennox 49W66 Ignition Control Board is the heavy-duty OEM replacement for legacy 790-311 and 102186-01 modules
System Reliability: The MBS 3000 pressure sensor is laser-welded and protected against cavitation and liquid hammer
Industrial Construction: Built by Secop/Danfoss to withstand continuous duty cycles in commercial coolers and HVAC equipment
If a hard power reset does not clear these codes
McDonnell & Miller FS7-4S Snap Switch Refrigerant which can cause contactor pittingThe McDonnell & Miller FS7 4S is a heavy duty industrial liquid flow switch engineered for high pressure applications where standard brass units fall short. Featuring a rugged stainless steel body and 120160 part number, this 1 1 4" NPT flow switch is rated for a maximum pressure of 1000 psi and fluid temperatures up to 300F. The single pole, double throw (SPDT) snap switch mechanism provides reliable liquid flow detection for large pipe systems,
