Nordyne 1010035 Twinning Kit

The Nordyne 1010035 Twinning Kit is the verified OEM replacement part for the discontinued Nordyne 920919, designed specifically for synchronizing blower operation in Nordyne G7 Series furnaces. As a veteran technician, you know that paralleling two furnaces on a single duct system requires precise timing to prevent back-drafting and static pressure imbalances. This kit enables two single-stage furnaces with PSC or fixed-speed motors to operate as a unified system or in staged heating configurations. By utilizing the furnace control board expansion ports, the 1010035 twinning kit ensures that both blowers engage simultaneously on the same speed tap, protecting the heat exchangers from overheating. This setup is ideal for dual furnace installation in large-scale residential or light commercial applications where a single unit cannot meet the total BTU load. Note that this kit is engineered for single-stage gas furnaces and is not compatible with variable-speed motor applications.

• Direct OEM Replacement: Replaces the legacy Nordyne 920919 to maintain factory-spec blower synchronization.
• Enhanced System Capacity: Allows for twinning two furnaces on a common supply and return plenum for increased CFM and heat output.
• Staging Flexibility: Supports two-stage heating using a standard two-stage thermostat, running one furnace for low demand and both for high demand.
• Equipment Protection: Prevents air recirculation between cabinets by ensuring 115V blower motors trigger at the exact same interval.
• G7 Series Compatibility: Optimized for use with Nordyne G7 gas furnaces featuring standard UTEC or Emerson control boards.

Can I use the 1010035 with variable speed blowers?
No, this kit is specifically designed for single-stage furnaces with PSC or fixed-speed motors. Variable-speed ECM motors use different communication protocols and are not compatible with this twinning relay logic.

Does this kit work for heat pump applications?
This HVAC twinning kit is intended for gas furnaces only. Twinning gas furnaces with heat pumps is not supported under this hardware configuration due to staging and balance point complexities.

Are there specific wiring requirements for power?
Yes. Both furnaces must be on the same power phase and the same leg of electricity. Failure to synchronize the line voltage phase will result in a transformer short or control board damage.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.