Pentair sensor bulb 070274 with brass probe, coiled black cable, and red wire connectors for MiniMax heaters
Pentair Pool Products and Parts

Pentair Sensor Bulb for MiniMax 91/97 Heater | 070274

$58.99
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SKU:
070274

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About This Item

The Pentair Sensor Bulb (070274) is the OEM replacement temperature sensor bulb for the MiniMax 91 and MiniMax 97 pool heaters.

⚠️ IMPORTANT: HEATER SERVICE — 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 sensor bulb monitors water or heat exchanger temperature and signals the heater's control circuit to regulate the heating cycle. A failed or degraded sensor bulb can cause erratic temperature control, nuisance shutdowns, or a heater that fails to reach the set point. Replacing this component with the correct OEM part restores accurate temperature sensing and proper heater operation.

Specifications

Pentair Part Number 070274
Part Type Sensor Bulb
Quantity Included Each

Pro Tip

Before ordering, confirm the part number stamped or labeled on your existing sensor bulb matches 070274. MiniMax heaters were produced across multiple production runs and service bulletins — verifying the number on the original part is the most reliable way to ensure correct fitment. Have a licensed pool professional perform the replacement and verify heater operation after installation.

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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