Product Brochure

HotRod – 21D64-2 and HotRod EX – 21D64-44
120 volt Nitride
Hot Surface Ignitors
Wide Application Coverage
For gas-fired forced air furnaces, boilers and water heater
applications
Universal Replacement
Replaces most silicon carbide ignitors including many
Carborundum™ carbide applications
Upgrades HSI to durable nitride - used in premium OEM systems
Complete Cross Reference
Extensive and up-to-date cross reference by OEM model number
Easy to Install - Both Kits include everything needed
HotRod nitride ignitor
Universal and standard mounting brackets
2 ceramic wire nuts
Furnace Ignitor Upgrade Service Label
Complete instructions
Ideal Truck Stock Product
Packaged in see-through, protective blister card
21D64-2 is available in convenient Truck Stock 5-pack as 21D64-5PK
Durable and Reliable, HotRod Ignitors are all you’ll need to carry.
HotRod series premium nitride ignitors, from the expert in furnace ignition technology – White-Rodgers. Available as the current 21D64-2
and now as HotRod EX – 21D64-44 for the broadest application coverage possible. HotRod Kits include everything needed for an easy and
fast replacement
Also be sure to look at the full offering of White-Rodgers Universal and Direct Replacement Furnace Controls and Gas Valves – controls that
restore furnaces to peak OEM operating performance.
Ignitor only is
CSA approved
WRHotRod.com
5-Year Limited Warranty
Both kits contain:
• 2 mounting brackets -
(one universal)
• 2 ceramic wire nuts
• Mounting screw
HotRod 21D64-2
15.5” Leads-stripped ends.
Replaces more than 150 HSI
Ignitor Applications
HotRod Ex 21D64-44
14.5” Leads-stripped ends.
Replaces more than 200 HSI
Ignitor Applications
Universal Hot Surface Ignitors