Description
depending on your specific control module's requirements
whereas an SPST would only offer one path
Ensures a precise fit for Utica boilers and Dunkirk heating systems
this 3/4" NPT valve provides exceptional durability and chemical resistance for systems requiring a reliable safety shutoff
this unit ensures compliance with local plumbing codes while protecting against thermal expansion and pressure spikes in potable water applications
Lochinvar & A.O. Smith 100166090 Pressure Switch 320074-702 depending on your specific controlThe Lochinvar & A. O. Smith 100166090 Pressure Switch is a critical safety component designed for high efficiency boilers and water heaters. As a veteran technician knows, this OEM replacement part is essential for verifying proper blower operation and flue venting before the ignition sequence begins. It functions by monitoring the differential pressure within the combustion chamber, ensuring that the combustion air blower is moving sufficient air to
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























