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CSL Part Number: 104336
Product Overview: The AERCO Control Board (Honeywell 34X7201 REV E) is a microprocessor-based control board used in AERCO commercial boiler and water heating systems. It manages critical functions including relay switching for burner operation, ignition sequencing, and safety interlocks. The board features multiple SPST-NO relays operating on 24VDC, a 5V voltage regulator, and control circuitry for coordinating heating system operations. This control board is commonly found in AERCO high-efficiency boilers and water heaters used in commercial and industrial applications.
Category: Control Board
Manufacturer: Honeywell
Alternate Manufacturer Names: AERCO
Manufacturer Part Number: 34X7201 REV E
Also Known As(AKA): FFR 1907219
Other Synonyms: AERCO
Send in equipment wiring diagram with the board
Common Failures
Customers have reported issues where the product's relay fails to energize the circuit. This is commonly identified during evaluation as a relay malfunction.
Repair Approach
The primary repair solution involves testing and potentially replacing defective relays. Our team performs component testing and provides a quotation before any repair work begins. Time and Materials work is billed for labor and material spent attempting repair and is not warrantied.
Testing & Quality
Repaired units undergo testing which includes verifying voltage regulation and checking the integrity of the product using specialized equipment to ensure proper functionality of components before the unit is returned.
Limited Repair
The Honeywell part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Honeywell part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
Once the user has seen at least one product this snippet will be visible.