Product Overview The Raypak 002475F Unitherm Governor Kit (H) is a genuine Raypak replacement part designed for compatible Raypak Raytherm heater models in the 334–824 size range. The Unitherm governor helps regulate internal heater water temperature and flow conditions, supporting proper heat exchanger protection and reliable heater operation. This replacement kit is commonly used when the original Unitherm governor is worn, stuck, leaking, damaged, or no longer maintaining proper internal bypass and water temperature control. It is an important service component for compatible Raypak commercial pool, spa, boiler, and water heater applications. Ideal For This Unitherm governor kit is ideal for pool heater technicians, commercial service professionals, facility maintenance teams, and qualified installers servicing compatible Raypak Raytherm heaters. It is especially useful during heater repairs involving temperature regulation, bypass function, heat exchanger protection, or water flow troubleshooting. Key Features Genuine Raypak Replacement Part Designed as an OEM Raypak replacement Unitherm governor kit. Using the correct manufacturer part helps ensure proper fit, reliable performance, and compatibility with the heater’s internal water control system. Fits Raytherm 334–824 Models Commonly listed for Raypak Raytherm heater models in the 334 through 824 size range. Supplier details also reference compatible P334, P404, and P514 heater models, so the full model number and heater type should be confirmed before ordering. “H” Kit Configuration The “H” designation refers to the applicable Raypak heater configuration listed for this Unitherm governor kit. Always match the part to the heater model, size, and Raypak parts diagram before installation. Supports Internal Temperature Regulation The Unitherm governor helps regulate water temperature inside the heater. Proper regulation helps protect the heat exchanger and supports stable heater operation. Helps Protect the Heat Exchanger A failing Unitherm governor can contribute to overheating, poor water control, noise, scale formation, or heater performance issues. Replacing the governor can help restore proper internal water flow and temperature control when diagnosed as the cause. Service Replacement Kit This kit is intended as a targeted repair component, not a complete heater assembly. It is used during heater service or rebuild work on compatible Raypak equipment. Benefits The Raypak 002475F Unitherm Governor Kit helps restore proper internal water temperature regulation in compatible Raypak heaters. A correctly functioning Unitherm governor supports better heat exchanger protection, reliable operation, and proper heater performance. This is a critical heater component and should be installed by a qualified professional. Proper diagnosis, heater shutdown, draining, gasket sealing, leak testing, and startup verification are important for safe and reliable operation. Specifications Specification Details Product Type Unitherm Governor Kit Brand Raypak Manufacturer Raypak / Rheem Model / Part Number 002475F SKU 002475F Distributor Product Number RAY-151-9397 / 6234-87 UPC / Barcode 840891001454 Kit Designation UG (H) Kit / Unitherm Governor Kit (H) Compatible Heater Series Raypak Raytherm Common Compatible Size Range 334–824 Common Compatible Models P334, P404, P514 and related Raytherm 334–824 models Application Internal water temperature / bypass regulation Installation Type Internal heater replacement component Approximate Product Weight Commonly listed around 1.65 lbs Common Listed Dimensions Approximately 6" x 4.75" x 3.50" Product Condition New Replacement Part Professional Installation Required / strongly recommended Customer-Facing Q&A Q: What is the Raypak 002475F used for?A: It is a Unitherm governor kit used in compatible Raypak Raytherm heaters to help regulate internal water temperature and flow conditions. Q: What does “UG (H) Kit” mean?A: “UG” refers to Unitherm Governor, and “H” refers to the heater configuration listed for this kit. The exact heater model and parts diagram should always be verified. Q: Which heaters does this fit?A: It is commonly listed for Raypak Raytherm 334–824 heater models. Supplier listings also reference models such as P334, P404, and P514. Q: Is this a genuine Raypak part?A: Yes. 002475F is commonly listed as a genuine Raypak / Rheem OEM replacement Unitherm governor kit. Q: What symptoms can a failed Unitherm governor cause?A: A faulty Unitherm governor may contribute to overheating, poor temperature regulation, heater noise, flow issues, scaling, or heat exchanger protection problems. Q: Is this the complete heater?A: No. This is an internal replacement Unitherm governor kit only. It is not a complete heater or heat exchanger assembly. Q: Should this be professionally installed?A: Yes. Professional installation is strongly recommended because this repair involves heater water-path components, proper sealing, leak testing, and safe startup procedures.
