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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
It features a high-sensitivity fan proving switch (diaphragm-style pressure switch) and a specialized electronic post-purge timer that clears combustion gases from the flue after the heating cycle ends
It will remain in its last position upon loss of power unless a backup power source is provided
the sensor may be coated in carbon
it effectively compensates for varying head pressures
Extended Service Life: Prevents corrosion on mechanical linkages and actuator seals
Laars Heating Systems RS2105200 O-Ring 340793-762 It features a high-sensitivity fanThe Laars Heating Systems RS2105200 Venturi O Ring is a critical sealing component engineered for high efficiency condensing boilers and commercial water heaters. This OEM replacement part ensures a precise, airtight seal between the venturi and the blower assembly, which is vital for maintaining the correct air fuel ratio during combustion. Specifically designed for the Laars NeoTherm series, these o rings prevent vacuum leaks that can lead to
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