Robertshaw Furnace Hot Surface Ignitor – Direct Replacement LH33ZS004 (Carrier/Bryant/Payne)

Overview

Meet a dependable, direct replacement for a common furnace ignition component. The Robertshaw furnace hot surface ignitor is the wide-style unit used in many Carrier, Bryant, Payne, and Day & Night gas furnaces. The ceramic block measures 2 inches wide, 7/8 inch deep, and 5/8 inch thick, with a heating element extending 2-1/4 inches. Lead wires run 5-1/4 inches and terminate in a plug that features two male pins in a two-end housing. This connection style mirrors what many compatible models expect, making it a practical retrofit option for a range of already-installed systems. The replacement is associated with OEM LH33ZS001-004 family and is identified by model number CECOMINOD002711 on the ignitor itself. Two high-temperature ceramic wire nuts are included in the package to help accommodate damaged plugs or insufficient lead length.

In real-world terms, this ignitor is a familiar, wide-profile block designed to endure the furnace environment and provide a clean, reliable ignition sequence when fed with proper electrical power. It’s a suitable choice for households looking to restore dependable starts to their heating cycle without changing the overall furnace control setup.

Why choose this direct replacement?

• Broad compatibility: fits a wide range of Carrier, Bryant, Payne, and Day & Night gas furnaces that use LH33ZS004 or LH33ZS001-004.
• OEM-aligned fit: designed as a direct replacement for the LH33ZS family, helping you preserve existing wiring harnesses.
• Durable construction: a ceramic block and heating element built for the furnace’s high-temperature environment.
• Flexible wiring: 5-1/4 inch lead wires to accommodate common installation depths in typical furnace layouts.
• Included hardware: two high-temperature ceramic wire nuts are provided for secure connections if the original plug is damaged or too short.
• Clear identification: model number CECOMINOD002711 helps with quick recognition and reorder accuracy.

Key specifications and packaging

• Model Number: CECOMINOD002711
• Assembly style: wide ceramic block ignitor
• Ignition element length: 2-1/4 inches
• Ceramic block: 2 inches wide, 7/8 inch deep, 5/8 inch thick
• Lead wires: 5-1/4 inches long
• Connection: two-pin plug with two male pins
• Included nuts: two high-temperature ceramic wire nuts
• Package dimensions (approx.): 6.1 in L x 3.1 in W x 3.1 in H

What’s included and installation notes

• Ignitor unit (direct LH33ZS family replacement)
• Two high-temperature ceramic wire nuts
• Lead wires with a two-pin plug

Important: always disconnect power to the furnace before handling electrical components. Verify the exact model compatibility with your unit (LH33ZS004 or the LH33ZS001-004 range) to ensure a proper fit. Use the included wiring nuts if the original connector is damaged or too short. This replacement option is presented to help you restore ignition capability while keeping the existing furnace configuration intact.