Check the listing for details. 2-Pack Temp/Hi Limit Sensor Assembly for Balboa M7/LE/Value Spa Heater M7 System. Color: Gray, Condition: New. Listed at 45.93 USD. Fitment:This Temp/Hi Limit Sensor Assembly is used in Balboa M7/LE/Value and SUV Control Systems. The sensors are used at both ends of the M7 heater, it is recommended to exchange both of them at the same time Features: 1) Will fit for Balboa Spa Heater M7 System 30344 30042 30382. Also will replaces 30344, 30344A, 30344B, 30042, 30382, 32016, 53605, BAL32016, 9711-101, 303019, RME-30344A, 59-138-1070, 5-60-8013, BB32016, 65-1235, BAL53605, 52016, 25-250-0344, 59-138-1071, 59-238-1000, 5-60-8007, 34-0202-K, 4-0202A-K, 25-200-1005, SG32016, 30344KIT, Master Spas X801830, 34-53605-HQ-K, ELE09900307, 34-53605-K 2) 24" Cable with Board Connector, Sensor Probe with 1/4" x 2" bulb, Sensor Mount Cap, Bulb O-ring and Washer. NOTE : This kit does not include threaded sensor mount (52560), which screws directly into the heater housing 3) The sensor assembly is made of high-quality materials and can adapt to various environments. It can provide fast and accurate measurement results protecting you and the spa from over heating water conditions 4) Temp/Hi Limit Sensor serves as a safety device, monitoring and regulating the temperature of our spas. Once overheating spa issues occur, it shuts off the heater. Therefore, if you are experiencing any spa temperature issue, don’t wait to get this Temp/Hi Limit Sensor to resolve it. Very sure this sensor will effectively prevent water from becoming too hot and better improve your spa experience 5) When you have spa trouble codes as follows: Sn, SnA, Sn1, Sn2. Sn3, HL, EO, E2, E3, Prh, Prr, very likely there is something wrong with your sensor. Check it 6) Sensor Diameter: 1/4"; Connector Type: 2 pin 7) Easy Installation: 1) Slide the sensor probe to the sensor housing mount and then tighten the plastic nut; 2)plug the 2-pin connector into PCB Package included:Temp/Hi Limit Sensor Assembly