Lochinvar & A.O. Smith 100170205 Transformer 320734-701 the SEN1159 is versatile enough

the SEN1159 is versatile enough for both ambient outdoor air sensing and return/discharge air temperature monitoring in compatible Trane-certified air handling systems

this versatile kit eliminates the need for separate tools

For technicians troubleshooting Carrier error code 31 or ignition lockouts

21" differential to ensure the system remains engaged during minor pressure fluctuations

As the direct replacement for the 0652261 and F602-04BJ

Lochinvar & A.O. Smith 100170205 Transformer 320734-701 the SEN1159 is versatile enoughThe Lochinvar & A. O. Smith 100170205 Transformer is an essential OEM component designed for high demand HVAC 24 volt transformer applications. Engineered for multi tap versatility, this 150va transformer supports primary inputs of 120 240v and delivers a consistent 24v secondary output, making it a critical part for commercial boiler repair and large scale water heater maintenance. Operating at 50 60Hz, it ensures stable control circuit power across