Honeywell S8670K3000 Lennox 30W33 Ignition Control Board for Gas Furnaces

Honeywell

Genuine Lennox 30W33 ignition control kit with Honeywell S8670K3000 board. 24V, 60Hz, 30s prepurge, 90s trial ignition, continuous retry, LED fault codes. Includes flame sensor, bracket, wiring, hardware. Direct OEM replacement for Lennox furnaces, replaces 18G91, 53L90, 63K24, ICM2902, ICM293. For natural/LP gas.

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Product Overview

The Lennox 30W33 is a genuine OEM furnace ignition control kit built around the Honeywell S8670K3000 control module—the industry-standard for reliable gas furnace ignition. This complete kit provides everything needed for safe, consistent burner ignition and flame supervision in Lennox residential/commercial gas furnaces, packaged units, and unit heaters.

Key Features:

  • Core Board: Honeywell S8670K3000 (intermittent pilot, spark ignition)

  • Voltage: 24VAC, 60Hz

  • Prepurge: 30 seconds

  • Trial for Ignition: 90 seconds

  • Retry Logic: Continuous retry on ignition failure

  • Flame Sensing: Rectification principle (flame rod included: 49L76)

  • Safety: 100% lockout on hard faults; LED flash codes for diagnostics

  • Gas Type: Works with natural gas (NG) and liquid propane (LP)

  • Complete Kit: Control module, flame sensor, mounting bracket, heat shield, wiring harness, wire nuts, screws, instructions

  • Direct Replacement: For Lennox 18G91, 18G9101, 53L90, 63K24, 80N92, 97H04, 65K93; also replaces ICM2902, ICM293

    Installing the genuine Lennox 30W33 kit ensures perfect fit, factory performance, and compliance with safety standards—critical for reliable furnace operation and warranty validity.

ParameterSpecification
Lennox Part Number30W33 (Kit)
Core Honeywell ModelS8670K3000 / S8670K3000/B
Product TypeIntermittent Pilot Ignition Control Module Kit
Control Voltage24 VAC, 60 Hz
Prepurge Time30 Seconds
Trial Ignition Time90 Seconds
Retry ModeContinuous Retry
Flame SensorIncluded (Lennox 49L76)
Output RatingsPV (Pilot): 1A Max; MV (Main Valve): 2A Max
Gas CompatibilityNatural Gas (NG) / Liquid Propane (LP)
DiagnosticsLED Flash Codes (Lockout, Flame, Voltage, Error)
Kit IncludesControl board, flame sensor, bracket, heat shield, wires, hardware, manual
ReplacesLennox: 18G91, 53L90, 63K24, 80N92, 97H04; ICM: ICM2902, ICM293
ConditionNew Genuine OEM Lennox Part
AttributeValue
I/O Number1
MemoryROM
Operating Voltage220 V
Place of OriginUnited States
Brand Name1
ApplicationPLC Programming; Automation Industrial; Automation Industria
Communication InterfaceModbus
TypePLC; PLC EtherCAT Coupler Module
Warranty12 Months
Shipping WayFedEx, UPS, DHL, EMS, TNT express delivery
ConditionNew
MOQ1 Piece
PaymentTT, PayPal
Package100% Original Package
Selling UnitsSingle item
Single package size1X1X1 cm
Single gross weight10.000 kg

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