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Common Questions Is the MARS 61730 compatible with 2-pole systems
this adapter also fits the VR4200 and VR4300 lines
How do I reset a manual limit switch
Can I use this for a 120V application
Lennox 57M67 Pressure Switch Common Questions Is the MARSThe Lennox 57M67 Pressure Switch is a high precision OEM component engineered for critical safety monitoring in gas fired furnaces and HVAC systems. As a veteran technician knows, maintaining the correct pressure threshold is vital for inducer motor verification and combustion safety. This SPST pressure switch is factory calibrated to actuate at 1. 71" WC (water column), ensuring that the exhaust blower is moving sufficient air before the ignition
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