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The patented ball-cone design ensures a tight shutoff and a straight-through flow path to minimize system pressure loss
Self-Grounding Design: Features a rugged self-grounding configuration that eliminates the need for separate ground wiring
Designed for reliability in demanding commercial environments
When you are servicing pneumatic systems in the field
What is the difference between this and the older 300SMA11 model
Lochinvar & A.O. Smith 100111318 Intake Switch 326058-755 The patented ball-cone design ensuresThe Lochinvar & A. O. Smith 100111318 Intake Switch is a critical safety component designed for commercial water heaters and high efficiency boilers. This blocked intake air pressure switch operates as a normally closed (NC) contact, ensuring that the combustion blower only proceeds with the ignition sequence when the air inlet is clear of obstructions. As a veteran grade OEM replacement part, it is engineered to detect vacuum fluctuations caused by