Lennox 39H98 Relay 340155-7026 allowing technicians to manage both

allowing technicians to manage both a primary load and an auxiliary alarm or signal circuit simultaneously without the need for additional slave relays

and 2A23 temperature controls

By cutting power to the gas valve or heating elements when internal plenum temperatures spike

Seamless Retrofit: Replaces H17DB-4 and H17DB-5C without piping modifications

Integrating this genuine Lennox part restores factory-spec airflow and maintains optimal heat exchanger performance by preventing the buildup of corrosive condensate or backdrafting

Lennox 39H98 Relay 340155-7026 allowing technicians to manage bothThe Lennox 39H98 Relay is an essential primary control component designed for reliable low voltage switching in residential and light commercial HVAC equipment. This DPDT 24V Relay (Double Pole Double Throw) features a 24VAC coil, making it a versatile drop in replacement for managing blower motors, fan cycles, and auxiliary heat circuits. Engineered for HVAC control circuit repair, the 39H98 manages power distribution across two separate circuits