This Knp Thermostat w/ 250° - 850° Range replaces Lang 30402-23. It senses temperature and cycles the heating or cooling circuit to hold the set point. Replacement is usually called for when you are seeing temperatures that overshoot or undershoot the dial, or a unit that runs continuously or not at all.

Listed fitment covers 51 models across 2 brands, including Lang, Southbend 224THG, 36S, 36S-0. It also cross-references 18 manufacturer part numbers. Check the number on the part you are replacing, or your unit's model number, against the lists below before ordering.

Supplied as a single replacement unit.

Thermostat, Type- Knp Temp 250-850F Bulb 5/32" X 9" Cap 48" Mount 1 Positive Off. Dial 2-1/4" Dia OFF-800-300 F OFF-427-149 C Black W/white Print. Mount .187" Flat Position Up Southbend RA36C1W, RA36C7W Toastmaster Range 36" All Purpose Range W/12" X 24" Grill: 20A2-(C,M,R), 20B2-(C,M,R). 12" All Purpose Range: 20XA2-(C,M). Super "T" Heavy Duty Range: RA36D(1,2), RA36C1 & 2, D1 & 2, M1 & 2. Capillary Clamp: Snap-in, Capillary Clamp: Clip-on Bulb Clamps, PKG/6, Calibration Screw Driver Capillary Insulation Per Foot: Robertshaw Acroflex Insulation Sleeving Fits Bulbs Up To 3/8" Diameter.

Listed fitment

• Lang: 224THG, 36S, 36S-0, 36S-10, 36S-12, 36S-2, 36S-20, 36S-3A, 36S-M, 500S, 500S-A, 500S-B, 500S-C, 500S-D, 500S-E, 500S-F, 500S-G, 9P-RT36D-440VG, CLR36-H-U, CR30-AP, CR30-PT, R12-ATG, R30C-AP, R30S, R30S-M, R60S, R60S-ATA, R60S-ATB, R60S-ATC, R60S-ATD, R60S-ATE, R60S-ATF, R60S-ATG, R60S-ATH, R60S-ATI, R60S-ATJ, RF-21S, RF21CT-AM-U, RF21S-A, RF21S-C and 10 more
• Southbend: SE36N-TTT208

Cross-reference

• Lang: 2T-30402-23, 30402-23
• Middleby Marshall: 20A2S39, 3004281, MD20A2S39, MD3004281
• Southbend: 3004281, SOU3004281
• Star: 20A2S39, 2T-3004281, 2T-30402-23, 2T3004281, 3004281
• Stero: STA2T-3004281, STA2T3004281
• Toastmaster: 20A2S39, 2T-3004281, 3004281

Ordering by part number is the most reliable way to get the right part.