Sid Harvey Remanufactured P4-30R

• Left hand nozzle port location

• Interrupted ignition type
• Combine a Protectorelar unit for cycling the burner and a Pyrostat flame detector for sensing temperature changes of flue gases up to 1000 deg F
• Manual reset of safety switch required after ignition failure completely shuts off main burner
• Include manual trip safety switch to assure burner shutdown during servicing
• Mount with flange for mounting on curved or flat surfaces
• Works with 2-wire and 3-wire 24 VAC thermostat
• 2 years warranty

Sid Harvey Remanufactured R20R

• 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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• Interrupted ignition type
• Combine a Protectorelar unit for cycling the burner and a Pyrostat flame detector for sensing temperature changes of flue gases up to 1000 deg F
• Manual reset of safety switch required after ignition failure completely shuts off main burner
• Include manual trip safety switch to assure burner shutdown during servicing
• Mount with flange for mounting on curved or flat surfaces
• Works with 2-wire and 3-wire 24 VAC thermostat
• 2 years warranty