White-Rodgers™ Mercury Flame Sensor, 48 Inch Capillary Length, (2) 1/4 Inch Spade, 1 Pin Terminal, No 20 Bulb, For Use With: Gas Burner Controls, 1-1/2 Inch H x 1-1/2 Inch W x 2 Inch D
- Mercury flame sensors consist of mercury-filled sensing bulb, capillary and diaphragm assembly mounted on a switch mechanism
- Pilot flame heat vaporizes mercury within sensing bulb, which actuates the snap-action switch
- Switch may be SPST or SPDT and is usually wired in series with main valve relay in most automatic ignition systems
- Sensors furnished with either spade terminals (3049 series) for point to point wiring or direct plug-in connections (3098 series), eliminating point-to-point wiring
- 1450 deg F at bulb tip
- Panel type B, D
Standard/Approvals: CSA Certified
Application: For Proving Pilot Flame and Controlling Main Valve in Cycle Pilot