Robertshaw 41-602 Mini Ignitor The T-4000-2138 is typically supplied

The T-4000-2138 is typically supplied as the cover assembly

Corrosion-resistant plating extends the service life of the faucet upper assembly under constant thermal stress

Key Benefits Enhanced Compatibility: The interchangeable hub design allows for a perfect fit on multiple shaft sizes

Durable Construction: High-grade solenoid coils designed to withstand the high-temperature environments of hot water boilers

As a mechanical thermostat

Robertshaw 41-602 Mini Ignitor The T-4000-2138 is typically suppliedThe Robertshaw 41 602 Norton Mini Ignitor is a high performance 120V hot surface ignitor engineered for precise ignition in modern residential and light commercial gas furnaces. Designed with a high density recrystallized silicon carbide element, this Norton 41 602 igniter ensures rapid heat up and long term durability under harsh thermal cycling. It functions as a direct OEM furnace ignitor replacement for numerous brands, featuring 5 1 4" lead wires