The Robertshaw 1830-722 is a professional-grade millivolt pilot assembly specifically engineered for high-output commercial cooking equipment and gas-fired heating systems

Key Benefits Precise Signal Response: Maintains actuator stability by providing exact mechanical feedback to the V-9502 positioner

Broad Operating Range: The -40 to 160 degree scale allows for deployment in diverse mechanical environments

Listen for high-pitched squealing

Precision Level Monitoring: Restores factory-standard buoyancy and response for accurate boiler water level management

Lennox 97J49 Limit Switch 320735-701 The Robertshaw 1830-722 is aThe Lennox 97J49 Limit Switch is a mission critical safety component engineered for precise thermal regulation in residential and light commercial HVAC systems. This OEM Lennox replacement part functions as a high limit safeguard, specifically calibrated for a 120 150F temperature range to protect the heat exchanger from catastrophic thermal stress. As a veteran grade furnace limit switch, the 97J49 features an automatic reset (AUTO) mechanism,