Lochinvar & A.O. Smith 100170456 T-Stat 320720-756 Fail-Safe Bellows System: The KP7B

Fail-Safe Bellows System: The KP7B series utilizes a double bellows assembly to prevent refrigerant loss even if the primary bellows fails

Standard HVAC refrigeration tools are sufficient

always verify your furnace model prefix before installation

The Cleveland Controls DFS-448-153 is rated for a 1/2 psi maximum pressure

Contractor Grade: Accurate 1/2 inch bore and CW rotation allow for rapid drop-in installation during emergency service calls

Lochinvar & A.O. Smith 100170456 T-Stat 320720-756 Fail-Safe Bellows System: The KP7BThe Lochinvar & A. O. Smith 100170456 T Stat is a critical temperature control component engineered for high performance commercial water heaters and boiler systems. Designed for precise thermal regulation, this OEM replacement part ensures the HVACR system maintains optimal set points while preventing overheating via its integrated high limit energy cutout. As a veteran technician knows, maintaining energy efficiency and system reliability depends on