The hot surface ignitor is constructed with premium nitride material and features white high-temperature coated leads. It has a specified part number, lead size, and connector for quick mounting. Rated voltage: AC 120V +/- 10% to 15%, 50/60Hz. Cold resistance: 18-40 ohms. Rated current at 17 seconds: 1.1-1.2 amps. Operating voltage range: 112V to 132V. You can test the ignitor's functionality using a multimeter. Igniter surface temperature reaches approximately 1100C at 102V, 1180C at 120V, and 1400C at 132V, all measured within 17 seconds. This ignitor is a common replacement for HVAC controls, Janitrol, and various furnace models. Compatible with models: DMS90453BXA, P1256701F, P1256707F, DMS90703BXA, P1256702F, P1256708F, DMS90704CXA, P1256703F, P1256709F, DMS90904CXA, P1256704F, P1256710F, DMS90905DXA, P1256705F, DMS91155DXA, P1256706F, GCS90453BXA, P1257201F, P1257207F, GCS90703BXA, P1257202F, P1257208F, GCS90904CXA, P1257204F, P1257209F, GCS91155DXA, P1257206F, GCV90704CXA, P1257803F, GCV90905DXA, P1257805F, GDS80453AN, GDS80453ANAA, GDS80453AX, and others. General silicon nitride hot surface igniter for natural gas type systems. Designed for easy replacement and installation. Type: B Color: White Material: Metal Package Contents: 1 x Furnace replacement ignitor Note: The package includes only the items listed. Other accessories are not included. Note: Lighting and display settings may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.