The Series 800 controls provide continuous protection against low water conditions for residential, commercial and industrial applications. Increased probe sensitivity prevents nuisance shutdowns, and a new test feature diagnoses shorted probe problems at installation. The improved userfriendly diagnostic LEDs simplify installation and troubleshooting, ensuring proper operation and saving time.

Standard Features:

• For residential and commercial applications
• 15 second delay on make; 10 second delay on break
• Green LED multi-function test light
• Red LED low water indicator light
• Shorted probe indication
• No blow-down required when mounted directly to boiler trappings
• Meets ANSI specification Z21.13a
• No lockout with loss of power if probe is in water