221818C/U Auxiliary Switch for HVAC/Valve Position Indication

Product Overview

The 221818C/U is a 10-foot display extension cable assembly designed for remote mounting of the S7800 keyboard display module.
It enables installers and technicians to locate the S7800 display at a more accessible position while keeping the primary control module installed in the original cabinet location.

This extension cable is widely used in Honeywell 7800 Series burner control installations where remote display visibility and service convenience are required.

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Key Features

• 120 inch, 10 foot display extension cable assembly
• Supports remote mounting of the S7800 keyboard display module
• Improves accessibility and visibility for operation and diagnostics
• Common accessory for Honeywell 7800 Series burner control systems
• Suitable for industrial combustion control installations

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Packaging & Delivery

• Protective industrial carton packaging
• Standard export packing for international shipment
• Shipping by courier, air freight, or sea freight available
• Bulk supply available for distributors and project orders

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Frequently Asked Questions (FAQ)

Q: What is 221818C/U used for
A: It is used to connect the S7800 display module remotely up to 10 feet away from the primary control.

Q: What is the cable length
A: It is listed as 120 inch, 10 foot, approximately 3048 mm.

Q: Is it compatible with Honeywell 7800 Series
A: Yes, it is used with 7800 Series systems that use the S7800 keyboard display module.

Q: Is there a shorter cable version
A: Yes, the 221818A version is commonly listed as a 60 inch cable assembly.

Q: Do you support international shipping
A: Yes, worldwide shipping is available.