Rheem SP21045 ProTech Chamber Sensor Replacement Kit for Ultra Low NOx (ULN) Gas Water Heaters, OEM Thermistor & Burner Assembly Kit

Name: Rheem SP21045 ProTech Chamber Sensor Replacement Kit for Ultra Low NOx (ULN) Gas Water Heaters, OEM Thermistor & Burner Assembly Kit
Brand: Rheem
SKU: awhd-us-b0f7y6d1df
Price: 27.09 USD
Availability: InStock

Brand: Rheem

Condition: Used

$27⁰⁹

$51⁸²

-48% Save $24⁷³

Updated: 3 days ago

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Description

Repair and Replacement Solution: Used to repair and replace the existing chamber sensor on your Rheem Ultra Low-Nox burner assembly

Complete Kit Contents: Includes a high-quality burner door gasket, thermistor, temperature probe assembly, installation instructions and replacement hardware

Genuine OEM Part: OEM genuine factory authorized part ensuring quality and compatibility with your Rheem water heater

Ultra Low NOx Compatibility: Specifically designed for Rheem Ultra Low NOx (ULN) gas water heaters for optimal performance

Professional Grade Components: ProTech chamber sensor replacement kit features durable components engineered to meet factory specifications

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Product Details

SKU:: awhd-us-b0f7y6d1df
Model:: SP21045
Country:: US
ASIN:: B0F7Y6D1DF
UPC:: 662766660647

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $25 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Rheem products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.