This Thermostat replaces True 822212. 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 73 models across 1 brand, including True STA1HRT-1S-1S, STG2HRT-2S-2S, STR2HRT-2S-2S. It also cross-references 3 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.

With Knob (OFF/180-80), Bulb = 3/16" X 4-1/2".

Listed fitment

• True: STA1HRT-1S-1S, STG2HRT-2S-2S, STR2HRT-2S-2S, TA1H-1G, TA1H-1S, TA1H-2HG, TA1H-2HS, TA1HPT-1G-1S, TA1HPT-1S-1S, TA1HPT-2HS-2HS, TA1HRI-1S, TA1HRI89-1S, TA1HRT-1S-1S, TA1HRTT89-1S-1S, TA2H-2G, TA2H-2S, TA2HPT-2S-2S, TA2HPT-4HG-2S, TA2HPT-4HS-2S, TA2HRI-2S, TA2HRT-2S-2S, TG1H-1G, TG1H-1S, TG1H-2HS, TG1HPT-1G-1S, TG1HPT-1S-1S, TG1HPT-2HS-2HS, TG1HRI-1S, TG1HRI89-1S, TG1HRT-1S-1S, TG1HRT89-1S-1S, TG2H-2G, TG2H-2S, TG2HPT-2S-2S, TG2HRI-2S, TG2HRT-2S-2S, TH-23, TH-23G, TR-31H, TR-31H-PT and 33 more

Cross-reference

• Selco: CAP-75-174
• True: 822212, E822212

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