We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

SUPCO

SUPCO FLS401 Flame Sensor 3 in probe 30 in lead 760-401 PFS401

SKU CH-SNY9-RH559

Universal flame sensor with a 3 in probe and 30 in lead for direct spark ignition systems

  • 3-inch probe reaches deep into burner assemblies
  • 30-inch lead allows flexible routing in tight cabinets
  • Rated to 1,800 °F for reliable operation in LP and natural-gas systems
  • Universal direct-spark compatibility fits Packard and White-Rodgers 760-series units
  • Stud-mount design with fixed bracket installs quickly without modification

Universal Replacement Flame Sensor

The SUPCO FLS401 is a universal replacement flame sensor designed for direct spark ignition systems. It fits HVAC appliances that require a fixed bracket stud-mount configuration. Technicians servicing Packard or White Rodgers 760 series equipment will find it a direct match for part numbers 760-401 and PFS401.

Fixed Stud Mount With 30 Inch Lead

The probe measures 3 inches with a straight tip angle and mounts via a fixed stud bracket. A 30 inch hardwired lead provides routing flexibility inside the cabinet without splice points. The rod is rated to withstand a maximum temperature of 1800 degrees Fahrenheit during operation.

Direct Spark Ignition Only

This sensor is compatible exclusively with direct spark ignition systems using LP or natural gas. It will not function with hot surface ignition or intermittent pilot systems. Installers must verify the appliance uses the specified ignition type before fitting this component.

Highlights

  • 3-inch probe reaches deep into burner assemblies
  • 30-inch lead allows flexible routing in tight cabinets
  • Rated to 1,800 °F for reliable operation in LP and natural-gas systems
  • Universal direct-spark compatibility fits Packard and White-Rodgers 760-series units
  • Stud-mount design with fixed bracket installs quickly without modification

Specifications

BrandSUPCO

Questions about this item

Does the 760 series flame sensor use a standard hardwired connection for direct spark ignition systems?

The sensor has a hardwired electrical connection designed for direct spark ignition systems with a 30 in lead length.

Will the 3 in straight probe with stud mount fit the existing bracket on a Packard or White Rodgers unit?

The probe is 3 in long with a straight tip and fixed stud mount bracket compatible with Packard and White Rodgers models.

How do you install the FLS401 sensor without damaging the probe during stud mounting?

Route the 30 in lead first, then secure the stud mount bracket; avoid bending the straight probe tip which withstands up to 1,800 Degrees F.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.