• Continuous maintenance minimum safe water level, independent of electrical device
• Direct action feeder mechanism
• Quick hook-up fittings provided (new only)
• Quick-change replaceable cartridge valve and strainer
• Quiet, durable operation
• Isolated feed valve minimizes lime and scale build-up
• Blow-off valve
• Burner switch cut-off,
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• Continuous maintenance of minimum safe water level, independent of electrical service
• Proportional feed action
• Quick hook-up fittings provided
• Quick change replaceable cartridge valve and strainer
• Model 47 can be field upgraded with a No #2 switch to add low water cut-off function Mcdonnell & Miller 47-2 Mechanical Water Feeder, 3/4 Inch NPT Threaded, 120/240 VAC,
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  Sid Harvey Remanufactured B110-1R

• Quick hook-up fittings provided
• Lever operated, full port ball valve for easy blow down
• Adjustable Bx outlet for easy installation
• Dual precision switches for dependable operation of cut-off, alarm or electric water feeder Mcdonnell & Miller 67 Mechanical Low Water Cut-Off, 120/240 VAC, 20 psi, Automatic Reset,
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Sid Harvey Remanufactured B138-12R

• Uses rectification principle of electronic flame detection
• Primary control provides solid state, electronic flame safeguard protection for industrial and commercial single or dual fuel burners for rectification type flame detection
• Recycles if flame signal lost while in run, failure to establish pilot results in a lockout
• Safe-start check prevents start-up if flame-simulating failure occurs in flame detector circuit
• Includes built-in protection against ignition crossover in flame rod systems
• Solid state circuitry
• Mounts and removes easily through use of captive mounting screws
• Mounting base is made of strong thermoplastic
• Includes SPDT alarm contacts Honeywell Protectorelay RA890F1288 Flame Safeguard Primary Control, 120 VAC at 50/60 Hz, SPDTSid Harvey Item #:R202-52R: Replaces Part #:'s : 1C530R,
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