Hydro Quip High Limit, Thermodisc. Rest Button is sold separately. OEM part number 34-0058. This part is normally found in the CS500 Model HT Pneumatic Controllers with ABS Heater.
SpaGuts P/N: 25-150-0058
This is also a replacement option for the following part numbers: 9845, 2-05-5005, 610440, 70-08850, 9239-21, ELEHL9881, HL9845, HL9881, 50-1006, HL9895, 47-555-1000, 34-0058-K
This item comes with 90-days limited warranty, and is NON-Returnable.