The Edward Orton Jr. Ceramic Foundation products

The AutoFire 4000 includes; a wider panel with improved switch board, improved thermocouple connection blocks, Type K, N, S or R thermocouple support, 35 available user programs, 20 step user programs, diagnostics to measure kiln load amperage (requires current transformer hardware), adjustable high temperature deviation alarm, programmable high temp limit, Individual program locks, USB interface, more memory, high capacity relay outputs and a buzzer that can be disabled. 100% compatible with previous Autofire controllers and all the great features of its predecessor the Autofire 3000. A direct replacement for Sentry2.0 and Sentry3.0 controllers

Large Cone plaques can be used for Large cones 019 to 36. Plaques can be reused if the cones do not stick and remove cleanly.

Patching Compound - for filling cracks and holes in firebrick and kiln shelves - for use up to 3000F (1645C) -can be used in thicknesses from 1/2" to 2 " to fill larger gaps -pre-mixed wet cement -approximately 1 lb.