Product Overview

Restore proper water flow and heater performance with the Pentair MasterTemp Pool Heater Manifold Kit 250K | 460748. This genuine Pentair replacement manifold kit is designed for Pentair MasterTemp 250 natural gas and propane pool/spa heaters, helping replace worn, leaking, cracked, or damaged water system manifold components.

The manifold assembly is a critical part of the heater’s water system, helping direct water through the heat exchanger while supporting key safety and sensor components. If your MasterTemp 250K heater is leaking at the manifold, showing pressure-related issues, or has damaged internal bypass components, this OEM kit provides the correct factory-style replacement solution.

Built for compatibility with 250K BTU MasterTemp heater models, part number 460748 is ideal for professional repairs and equipment pad service work.

Ideal For

The Pentair 460748 manifold kit is ideal for:

• Replacing a damaged or leaking manifold on a MasterTemp 250K heater
• Servicing Pentair MasterTemp 250 natural gas pool/spa heaters
• Servicing Pentair MasterTemp 250 propane pool/spa heaters
• Restoring proper heater water flow and pressure switch function
• Professional pool heater repair and equipment maintenance
• Homeowners repairing an existing MasterTemp 250K heater with a verified matching part number

Key Features

Genuine Pentair Replacement Part

This is a genuine Pentair water system manifold replacement kit made for compatible MasterTemp 250K pool and spa heaters.

Fits MasterTemp 250 Natural Gas & Propane Models

Designed for use with Model 250 MasterTemp natural gas and propane pool/spa heaters.

Complete Manifold Service Kit

The kit may include major water-system and sensor-related components such as a coil/tubesheet sealing O-ring kit, manifold bypass kit, water pressure switch, connector tube kit, zinc plug, automatic gas shutoff switch, high limit switch, and thermistor, depending on kit configuration.

Helps Correct Common Heater Water-System Issues

A damaged manifold can cause leaks, flow problems, bypass issues, pressure switch errors, or improper heater operation. Replacing the manifold kit helps restore the correct water path through the heater.

Built for Pool & Spa Heater Applications

This replacement kit is intended for pool and spa heater water system repairs on compatible MasterTemp 250K pool and spa heaters.

Benefits

Restores Heater Reliability

A properly functioning manifold helps your heater move water through the system correctly, supporting efficient and dependable heating performance.

Helps Prevent Water Leaks

Replacing a cracked, warped, or worn manifold can help stop water leakage around the heater’s water system assembly.

Supports Proper Safety Sensor Operation

Because the manifold area works with components like the water pressure switch, high limit switch, AGS, and thermistor, replacing the kit can help restore proper heater safety monitoring when those components are part of the service issue.

OEM Fit & Compatibility

Using the correct Pentair replacement part helps reduce installation issues and ensures the manifold is made for the intended heater model.

Professional Repair Solution

This is a strong choice for pool service technicians, repair shops, and homeowners who need a complete factory-style manifold repair kit for a MasterTemp 250K heater.

Compatibility

Brand: Pentair
Product Type: Pool Heater Manifold Kit
Manufacturer Part Number: 460748
Compatible Heater Series: Pentair MasterTemp
Compatible Heater Size: 250K BTU
Compatible Fuel Types: Natural Gas and Propane
Application: Pool and spa heater water system replacement

For best results, confirm your heater model and part number before ordering. This kit is specifically intended for Model 250 MasterTemp natural gas and propane pool/spa heaters.

What’s Included

Kit contents can vary by supplier packaging, but Pentair 460748 manifold kits may include components such as:

• Manifold assembly
• Coil/tubesheet sealing O-ring kit
• Manifold bypass kit
• Water pressure switch
• Connector tube kit
• Zinc plug
• Automatic gas shutoff switch, AGS
• High limit switch
• Thermistor
• O-rings, gaskets, and required hardware

Always compare the received kit contents with your heater’s parts diagram and service requirements before installation.

Specifications

Installation Notes

This replacement kit should be installed by a qualified pool heater technician or experienced service professional. Always shut off gas, power, and water flow to the heater before service. Inspect all O-rings, seals, bypass components, and sensor connections during installation.

After installation, check for leaks, confirm water flow, verify pressure switch operation, and test heater startup according to Pentair service procedures.

Customer-Facing Q&A

Q: What heater does Pentair 460748 fit?

A: Pentair 460748 is made for Pentair MasterTemp 250K natural gas and propane pool/spa heaters.

Q: Is this for the 250K BTU model?

A: Yes. This manifold kit is for the MasterTemp 250K BTU heater.

Q: Is this an OEM Pentair part?

A: Yes. This is a genuine Pentair replacement manifold kit.

Q: Does this work for both natural gas and propane heaters?

A: Yes. The kit is intended for compatible MasterTemp 250K natural gas and propane heater models.

Q: Why would I need to replace the manifold?

A: Common reasons include water leaks, cracked manifold housing, damaged bypass components, pressure switch issues, or heater service related to the water system.

Q: Can I install this myself?

A: Pool heater repairs involve water, electrical, and gas-related systems. Professional installation is recommended for safety and proper heater operation.