Speed Heater Controller Accessories
(click on photos to enlarge)

Speed Bolt Heater with aluminum heat sink that is used when Speed Heater is too long for stud hole to prevent damage to heater.

Speed Bolt Heater with integral junction box and power ON light heating a large steam turbine stud.

Speed Heater Go/No-Go Gauge for sizing Speed Heaters. After insertion measure diameter with a dial caliper as pictured.