Robertshaw 41-402 Furnace Hot Surface IgniterRobertshaw 41 402 Furnace Hot Surface Igniter is a premium hot surface ignition solution engineered for fast, reliable startup across a range of heating equipment. As a Type Hot Surface Igniter, it provides clean ignition without pilot lights, reducing wear and fuel waste. This model is a versatile choice for furnaces, boilers, rooftop heaters, infrared burners, and water heaters. Built to endure demanding environments, it features a 1 1 4 inch base

Compatibility: Suitable as a replacement in many furnace/heating systems

including domestic water heaters and small- to mid-sized commercial systems

and a current rating of 3 A at 132 VAC

and easy maintenance

Helps prevent overheating

The unit aligns with MROSCS Leaf Class Name Valve Limiter specifications for dependable regulation

it provides reliable operation in a compact form factor

Suitable for air heating and cooling systems

Inclusions: Tail Piece Union

Connections: 1/2" supply

and pilot lines

delivering reliable performance in hydronic heating and cooling systems