Key Benefits for Contractors: Direct OEM Compatibility: Verified replacement for HH12ZA189 and HH12ZA189A

Direct OEM Fit: Drop-in Utica replacement part that matches original terminal connections for a secure

Key Benefits for Technicians: High Millivolt Output: Optimized 25-35 mV range ensures clear signals to the pilot safety magnet

The Robertshaw BTG-UK guard dimensions (8-1/4" L x 5" W x 3-1/2" D) provide ample clearance for most large-format commercial thermostats

Robertshaw 41-410 Hot Surface Ignitor Key Benefits for Contractors: DirectThe Robertshaw 41 410 Hot Surface Ignitor is a high performance silicon carbide furnace ignitor designed for professional grade reliability in residential and commercial heating equipment. Engineered as a 271N replacement ignitior, this component features a high purity recrystallized silicon carbide (Crystar) construction that ensures optimal thermal strength and stable electrical resistance. The assembly utilizes 18 gauge nickel chrome lead wires,