Check the listing for details. Sensor Assembly with Temp and Hi-Limit Sensor 25-175-0337 for Balboa Systems. Condition: New. Listed at 33.94 USD. Sensor Assembly with Temp and Hi-Limit Sensor 25-175-0337 for Balboa SystemsFunction -- 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. Signs -- 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 Fitment -- Will compatible with Balboa systems that uses this type of sensor. Also deemed as a good option for Cal Spas ELE09900310 (30337), 59-138-1060 (30337), for Cal Spas ELE09900290 (30298), 5-60-8001 (30337), 5-60-8002 (30298), 5-60-8005 (30294), for Cal Spas ELE09900300 (30294), 34-30337, 34-30337-K and for Cal Spas with S/N 05S-15140 and Model 05-V400M-18, 30327, 34-0202D-K Installation -- 1) Insert the 3/8” Temperature Sensor into mount and then tighten the nut；2）Slide the 1/4” Hi-Limit Sensor under the sensor cover attached to the heater and tighten the wing-nut to secure. 3）Insert the 4-Pin Connector into the PCB. 100% Satisfaction Guarantee -- Your satisfaction is our priority. We strive to give our customers excellent service. Support 60-Day money-back guarantee, 12-Month warranty for quality-related issues. PaymentShippingReturnsContact usPayment 1. Payment methods accepted: Payoneer. Our Payoneer account allows you to pay by credit card, debit card and your paypal balance. 2. All major credit cards are accepted through our secure payment processor Payoneer. 3. We ship items to Your Ebay address.Please make sure your Ebay address is correct before you pay, cause it cannot be changed once the order shipped out.Shipping 1. Item will be shipped out within 1-2 business day after clear payment received. 2. Please make sure shipping address on your Ebay account is correct & up-to-date. 3. All of our items are shipped from our US warehouse. 4. Please feel free to contact us by email if you cannot get your order in time. Please read the shipment and payment detail carefully before you bid.Returns 1. Return to us within 60 days from the delivery date for exchange or refund. Refund will be given as Money back or item exchange (buyer's choice). 2. Return shipping fee is the responsibility of buyer unless the return is a result of our mistake. 3. If you need return, please contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation.Contact us Please contact us via ebay using"Contact member". We will respond within 1 business day or less.Thank you for your understanding.