Description
Lochinvar & A.O. Smith 100289704 Pressure Switch .58″ w.c.
This OEM pressure switch from Lochinvar & A.O. Smith is a direct replacement component designed to maintain safe and reliable operation in compatible water heaters and boilers. Set at a precise .58″ w.c. (inches water column) differential, this switch monitors combustion air pressure to verify proper draft inducer operation before allowing ignition to proceed — a critical safety function in modern heating equipment.
Key Features
- OEM replacement pressure switch for Lochinvar & A.O. Smith equipment
- Set point: .58″ w.c. (inches water column)
- Monitors combustion air/draft inducer pressure for safe ignition sequencing
- Helps prevent unsafe operation if proper draft is not established
- Direct drop-in replacement for accurate fit and reliable performance
- SKU: 100289704
Application
Designed for use with select Lochinvar and A.O. Smith water heaters and boilers. Always verify compatibility with your specific model number before installation. Consult the equipment service manual or contact a qualified HVAC/R technician for proper installation and commissioning.
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