Description
Upgrade and modernize your HVAC control system effortlessly with the VSACC0410 Add A Wire Relay. Designed for systems where wiring is limited, this compact relay allows you to add a control wire without having to run an entirely new cable—ideal for smart thermostats or upgrading legacy units.
Key Features
- Purpose: Adds one additional thermostat control wire to a typical 4-wire HVAC setup—great for installing a WiFi or smart thermostat when you don’t have a “C” (common) wire.
- Compatibility: Designed for 24 V HVAC systems; cannot be used as an R (power) or C (common) line substitute.
- Install-friendly: Includes color-coded splice wires (yellow, green, blue) and wire nuts; compact module mounts inside equipment cabinet.
- Wire length/spec: Wires approx. 9” long; supports up to 100 ft using 18 gauge wire when properly installed.
- Universal benefit: Useful in both residential and light commercial HVAC systems seeking to support modern thermostat features without full rewiring.
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