Product Overview
The Pentair 474061 Tube Sheet Coil Assembly Kit is a genuine replacement heat exchanger assembly designed for 400,000 BTU Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. This kit is used to replace a worn, leaking, corroded, or damaged tube sheet coil assembly and helps restore proper water heating performance.
Designed for select 400K BTU natural gas and propane heater models manufactured after January 12, 2009, this OEM replacement kit includes the tube sheet coil assembly and key service components needed for a complete repair. It is a critical heater part for maintaining safe, efficient heat transfer inside compatible Pentair and Sta-Rite heater systems.
Ideal For
This tube sheet coil assembly is ideal for pool professionals, service technicians, and homeowners replacing the heat exchanger assembly on compatible 400K BTU Pentair MasterTemp and Sta-Rite Max-E-Therm heaters. It is best suited for heaters showing signs of heat exchanger failure, water leaks, reduced heating efficiency, or corrosion in the tube sheet area.
Key Features
Genuine Pentair Replacement Part
Manufactured as an OEM Pentair replacement component, part number 474061 is designed to match compatible MasterTemp and Max-E-Therm heater systems. Using the correct factory replacement part helps support proper fit, performance, and long-term reliability.
Designed for 400K BTU Heaters
This assembly is made specifically for 400,000 BTU heater models. It is intended for select Pentair MasterTemp 400 and Sta-Rite Max-E-Therm 400 pool and spa heaters.
Fits Natural Gas and Propane Models
The 474061 kit is commonly listed for compatible 400NA and 400LP heater models. It can be used with both natural gas and propane versions when the heater model and production date match.
Newer Design Heater Compatibility
This kit is intended for compatible heaters manufactured after January 12, 2009. Always verify the heater model and manufacturing date before ordering to ensure proper fitment.
Complete Service Kit
The kit includes the tube sheet coil assembly along with important installation components such as sealing O-rings, insulation, igniter-related parts, gaskets, and silicone depending on packaging/source. This supports a more complete service repair compared with replacing only one individual component.
Restores Heat Transfer Performance
A properly functioning tube sheet coil assembly is essential for moving heat from the burner system into the pool or spa water. Replacing a failed assembly can help restore heater performance and reduce water leakage issues inside the heater.
Benefits
Restores Heater Operation: Helps bring compatible 400K BTU heaters back to proper working condition.
OEM Fit and Reliability: Designed for compatible Pentair and Sta-Rite heater models.
Supports Efficient Heating: Helps maintain proper heat transfer between the combustion system and pool water.
Includes Key Repair Components: Comes as a service kit with related seals, gaskets, insulation, and installation parts.
Ideal for Professional Heater Repairs: Suitable for service technicians repairing leaking or damaged heat exchanger assemblies.
Specifications
| Specification | Details |
|---|---|
| Brand | Pentair / Sta-Rite |
| Product Type | Tube Sheet Coil Assembly Kit / Heat Exchanger Assembly |
| Manufacturer Part Number | 474061 |
| SKU | 474061 |
| UPC / Barcode | 788379791995 |
| Heater Rating | 400,000 BTU |
| Compatible Heater Series | Pentair MasterTemp and Sta-Rite Max-E-Therm |
| Compatible Models | 400NA, 400LP, SR400 NA/LP series where applicable |
| Fuel Compatibility | Natural Gas and Propane models |
| Manufacturing Date Compatibility | For compatible heaters manufactured after January 12, 2009 |
| Kit Type | New design tube sheet coil assembly kit |
| Material | Commonly listed as copper / cupro-nickel depending on source; verify packaging before fulfillment |
| Approximate Dimensions | 18-1/2" L x 18-1/2" W x 10-1/2" H |
| Included Components | Tube sheet coil assembly, O-ring/seal kit, insulation kit, igniter-related components, gaskets, silicone, and related service hardware depending on kit packaging |
| Application | Pool and spa heater repair |
| Installation | Professional installation recommended |
Customer-Facing Q&A
Q: What does this part replace?
A: This kit replaces the tube sheet coil assembly, also commonly referred to as the heat exchanger assembly, in compatible 400K BTU MasterTemp and Max-E-Therm heaters.
Q: Will this fit a Pentair MasterTemp 400 heater?
A: Yes, this part is designed for compatible Pentair MasterTemp 400K BTU heaters, including 400NA and 400LP models, when manufactured after January 12, 2009.
Q: Will this fit a Sta-Rite Max-E-Therm 400 heater?
A: Yes, it is also used with compatible Sta-Rite Max-E-Therm 400K BTU natural gas and propane heater models.
Q: Is this for natural gas or propane heaters?
A: This kit is commonly listed for both compatible natural gas and propane 400K BTU models.
Q: Does this fit older heaters made before January 12, 2009?
A: No. This kit is intended for compatible heaters manufactured after January 12, 2009. Older heaters may require a different tube sheet coil assembly.
Q: Is professional installation recommended?
A: Yes. Heater repairs involve gas, electrical, water, and combustion components, so installation should be completed by a qualified pool heater technician.
- This kit includes:
-
- 8 - O Ring Coil
- 8 - TubeSheet seal
- 1 - Tubesheet Coil Assembly 250
- 1 - Label Sheetmetal Warning
- 1 - O Ring Metal Tube Replacement
- 1 - Manifold Bypass Valve Package
- 1 - Tube of high temp RTV silicone
- 1 - Servie Kit Koala Wool Insulation
- 1 - Blower/Adapter Plate Gasket
- 1 - Ignitor and Gasket Kit Heater