Check Back For Availability quick view Check Back for Availability Zytron Control Products, Inc. Zytron Direct Replacement for OEM 555-1B MSRP: $834.00 DESCRIPTION The Series 555 is a 0° to 999°F/0° to 537°C microprocessor cooking controller featuring exceedingly intuitive operation, a bright ea Check Back for Availability Add to Wish List Add to My Wish List Create New Wish List Compare