Sterling HVAC 11J11R04849-003 250°F Manual Reset SPST Rollout Switch

Description

The Sterling HVAC 11J11R04849-003 is a high-limit rollout switch engineered to protect furnaces and heating appliances from dangerous flame rollout conditions. When burner flames roll out beyond the combustion chamber, this switch detects the excess heat and immediately interrupts the circuit to shut down the burner, preventing equipment damage and potential fire hazards.

Key Features

• Trip temperature: 250°F — provides precise, reliable over-temperature detection
• Manual reset operation — requires a deliberate technician reset after trip, ensuring the root cause is addressed before resuming operation
• SPST (Single-Pole, Single-Throw) configuration — simple, dependable circuit interruption
• Designed as a direct OEM replacement for compatible Sterling HVAC heating equipment
• Durable construction built to withstand the demanding thermal environment of furnace applications

How It Works

The rollout switch mounts near the burner assembly and monitors ambient temperature at that location. If flame rollout occurs and temperatures reach 250°F, the switch opens the circuit and locks out the burner. Because this is a manual reset device, a qualified HVAC technician must inspect the system, identify and correct the underlying cause (such as a blocked heat exchanger, restricted flue, or improper combustion), and then manually reset the switch before the system can restart. This safety interlock helps prevent repeat occurrences and protects both the equipment and building occupants.

Application

• Compatible with select Sterling HVAC furnaces and heating units
• Ideal for OEM replacement in residential and light commercial heating systems
• Suitable for use wherever a 250°F manual-reset SPST rollout switch is specified

Specifications

• SKU: 11J11R04849-003
• Brand: Sterling HVAC
• Trip Temperature: 250°F
• Reset Type: Manual Reset
• Switch Configuration: SPST (Single-Pole, Single-Throw)
• Component Type: Rollout Switch