Pentair Tube Sheet Coil Assembly Kit for MasterTemp 250NA / 250LP | 460747
Pentair Pool Products and Parts

Pentair Tube Sheet Coil Assembly Kit for MasterTemp 250NA / 250LP | 460747

$999.99
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SKU:
460747

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About This Item

OEM Tube Sheet Coil Assembly for MasterTemp 250 Heaters

The Pentair 460747 is the OEM Tube Sheet Coil Assembly Kit for the MasterTemp 250NA (natural gas) and 250LP (liquid propane) pool and spa heaters. If your heater's heat exchanger section requires service, this is the manufacturer-specified replacement assembly for those models.

⚠️ IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED
Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high-voltage components without proper certification.

The tube sheet coil assembly is the heat exchanger core of the MasterTemp heater's water system. Pool water passes through the coil while combustion gases transfer heat across the tube sheet, raising water temperature before it returns to the pool. A failed or leaking coil assembly results in water loss, reduced heating efficiency, or complete heater shutdown. Replacing this assembly restores the heater's water-side heat transfer function to OEM specification.

Specifications

Pentair Part Number 460747
Part Name Tube Sheet Coil Assembly Kit
Catalog Reference 250K BFR 12/09
Compatible Heater Models MasterTemp 250NA, MasterTemp 250LP

Pro Tip

Before ordering, confirm the model number on your heater's rating plate matches 250NA or 250LP — the MasterTemp line spans multiple BTU ratings, and tube sheet coil assemblies are not interchangeable across sizes. Match the part number stamped on the original assembly to 460747 before adding to cart. Given the labour involved in accessing this assembly, inspect all adjacent gaskets and seals during the same service interval and replace any that show wear.

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Pentair Pool Products and Parts

About Pentair Pool Products and Parts

Pentair is often considered the "gold standard" for pool professionals, and for good reason. Founded in 1966 (originally by five inventors making high-altitude balloons!), the company has evolved into the global leader in smart, sustainable water solutions. For the DIY homeowner, Pentair represents the intersection of rugged durability and silicon valley-tier technology. They pioneered the Variable Speed Pump revolution with the IntelliFlo®, saving American pool owners millions in energy costs. Today, their ecosystem focuses heavily on automation, allowing you to control your pump, heater, lights, and chemistry from a single app. While they are a favorite among professional builders, their "EC" (E-Commerce) line of equipment allows homeowners to access pro-grade technology with valid warranties for DIY installation.

Why We Trust Pentair Pool Products and Parts
Energy Efficiency Leaders: Recipient of the ENERGY STAR® Partner of the Year award for over a decade; their pumps are designed to pay for themselves in energy savings.

Smart Automation: The Pentair Home App and IntelliCenter systems offer best-in-class control over your pool ecosystem from anywhere in the world.

Professional Pedigree: The brand most often recommended and installed by pool builders for high-end residential pools.

Eco-Conscious: Dedicated to reducing water waste and energy consumption through "Green" technology innovations.

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