• EnviraCOM, a low-cost 3-wire communication protocol that allows different devices, such as communicating thermostats, aquastats and oil primaries, to connect and share information Honeywell L7224U1002 Electronic Oil Aquastat, 120 VAC, 130 - 240 deg F High Limit, 110 - 220 deg F Low Limit , 5 - 20 deg F Fixed High Limit, 10 - 25 deg F Adjustable Low Limit Differential,
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  C317-14R

TR300

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  C434-9R

C434-7R

C434-12R

A39-62R

A28-69R

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  A39-34R

A39-32R

A4-15R

• 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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  R202-52R

M1-5R