and GKT2429K for a guaranteed fit

and 5 represent the SPDT switch contacts

The HVAC fin straightener is a staple for any service truck looking to extend the operational life of heat exchangers without damaging sensitive tube-to-fin bonds

The 023Z5035 is the specific ordering code for the DML032 model featuring 1/4" flare connections

Designed for easy installation over standard 2-inch by 3-inch control interfaces

Reznor 131449 Limit Switch and GKT2429K for a guaranteedThe Reznor 131449 Limit Switch is a critical OEM replacement part designed for integration into gas fired unit heaters and industrial HVAC systems. This 110F CO Auto Limit Switch functions as a high limit safety cut out, automatically breaking the electrical circuit if internal temperatures reach the 110F threshold. Engineered for heavy duty industrial heating equipment, this component helps prevent heat exchanger damage and ensures safe operational