The Cleveland Controls DFS-221-156 is a heavy-duty

for optimal contact performance and gravity-assisted operation

The integrated LED status indicator provides immediate visual confirmation of coil activation

F range allows for fine-tuning based on specific mechanical load requirements to prevent short-cycling

Maxitrol KT10460 Tube R-410A The Cleveland Controls DFS-221-156 isThe Maxitrol KT10460 is a specialized by pass tube engineered specifically for the MR212G modulating gas valve. For veteran technicians managing direct fired burners and negative pressure systems (pull through applications), this OEM component is critical for maintaining a stable minimum firing rate. When the main valve is closed, the KT10460 bypass tube ensures a consistent low fire to the heater, preventing flame instability during the modulating