The Raypak 003346F Thermostat Kit is a genuine replacement control module used in various Raypak heaters including models like ELS 552-2, 1102-2, 53A/B, 55A/B, and 105A. The kit sets and regulates heater temperature in the range of approximately 66-106F, ensuring accurate temperature control for safe, efficient pool or spa operation. Built with mechanical thermostat components, this kit is engineered to restore factory-original control when temperature regulation fails or becomes unreliable. Highlights Precise Temperature Regulation: Designed to maintain setpoint control within a typical range of 66-106F, helping to ensure your heater runs efficiently and safely. OEM Compatibility Across Raypak Models: Fits a wide variety of Raypak pool/spa heater models (e.g. 53A, 55A, ELS 552-2, 1102-2) for reliable, drop-in replacement. Mechanical Thermostat Construction: Built with field-proven, durable components to withstand repeated cycles and environmental exposure without electronic complexity. Restores Control & System Safety: Replaces worn or failing temperature control to help prevent overheating or heater lock-outs, keeping operation within safe parameters. Eases Heater Maintenance & Downtime: Straightforward replacement procedure preserves system uptime and makes troubleshooting simpler for technicians or pool service personnel. Compatibility Raypak Heater Models: ELS 552-2, 1102-2, 53A, 53B, 055A, 055B, 105A Millivolt Note: This part may be compatible with your system, please refer to your owners manual to ensure compatibility. Additional Info Need help with the Raypak 003346F Thermostat Kit for pool and spa heaters? This section covers installation basics, troubleshooting searches, and in-store availability questions so you can replace your thermostat with confidence. Installing the 003346F Thermostat Kit This mechanical thermostat restores factory control of heater temperatures, typically 66106F. Installation involves removing the old thermostat, securing the new module, and testing for accurate adjustment. How to install Raypak 003346F thermostat kit on ELS 552-2 heater Correct wiring steps for 003346F thermostat on Raypak 105A millivolt model Do you need sealant or adhesive during 003346F thermostat install Step by step replacing thermostat kit 003346F on Raypak 55A Troubleshooting Temperature Control Problems If the heater still fails to regulate properly after replacement, check wiring, dial calibration, and mechanical fit. These are frequent troubleshooting questions. Why does Raypak 53A still overheat after new 003346F thermostat install How to test accuracy of thermostat kit 003346F on Raypak 1102-2 Is my thermostat dial faulty after installing 003346F replacement Heater cycles too often with new 003346F thermostat what to check In-Store Availability and Fitment Support Bring your heater model number when visiting the counter. Store staff can confirm whether the 003346F matches your Raypak unit and help you pick up the right kit. Buy in store Raypak 003346F thermostat kit for 53A and 55A heaters Walk in and compare old thermostat with new 003346F replacement Available locally 003346F thermostat kit for Raypak 105A millivolt models Can I confirm 003346F compatibility at the counter before purchase Reviews There are no reviews yet. Be the first to review “003346F | Raypak Heater Thermostat Kit” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.