White-Rodgers 1E78-151 Thermostat the 3R2C0 provides reliable signaling

the 3R2C0 provides reliable signaling for low water cut-off

such as dirty filters or blocked return grilles

Reduces the risk of delayed ignition and intermittent startup failures caused by worn or cracked leads

Professionals should inspect the existing gaskets and mounting hardware for wear and replace them if the seal integrity is compromised

The blue encapsulated design features a DIN 43650-A spade connection (IP00 protection)

White-Rodgers 1E78-151 Thermostat the 3R2C0 provides reliable signalingThe White Rodgers 1E78 151 is a job site staple for contractors looking for a reliable, vertical profile 5 2 day programmable thermostat. This 70 Series economy model is engineered for single stage 1H 1C HVAC systems, providing a seamless digital upgrade for older mechanical units without requiring a common wire (C wire). It operates on 24V AC low voltage systems and is fully compatible with millivolt heating applications, making it a versatile choice