Product Overview Suburban Cooktop Control Knob 521139 (Piezo Igniter/Knob) Compatibility: Suburban Stoves Type: Piezo Igniter Includes: Knob and Igniter Features Limited 90 Day Warranty Reviews (2 reviews) Write a Review 2 Reviews Hide Reviews Show Reviews 5 Great replacement Posted by Steve H on Aug 21st 2020 This is a great replacement for the one that I had to replace. Much better and sturdier design. 5 easy! Posted by Paul on Dec 21st 2018 Part arrived quickly and was very easy to locate on this site. Would recommend buying from this company!