Lochinvar & A.O. Smith 100112849 Switch 318423-701 Universal 1/4" Barb Interface: Simplifies

Universal 1/4" Barb Interface: Simplifies field replacement by utilizing standard 1/4" barb connection points for pneumatic tubing

What are the connection sizes for installation

This part is a standard replacement for many mid-efficiency and older high-efficiency York gas furnaces

If power is present but the screen is blank

Lochinvar & A.O. Smith 100112849 Switch 318423-701 Universal 1/4" Barb Interface: SimplifiesThe Lochinvar & A. O. Smith 100112849 Air Pressure Switch is a critical safety and operational component designed for high efficiency commercial water heaters and boilers, including the GWH 1200 and GWH 1250 Series 600 models. This normally closed (NC) switch is factory calibrated to a 0. 68" water column (w. c.) set point, ensuring the combustion fan is generating sufficient static pressure before allowing the ignition sequence to proceed. As a