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SP21045 Water Heater Chamber Sensor Replacement Kit Fits for Rheem ULN Water Heaters Replacement Parts
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 2, 2026 7:32 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
LALBLCLD
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Complete Kit – All-in-One Replacement: This replacement kit includes 4 Tinnerman Clips, multiple Torx Screws, Hex Nut with Lock Washer, Thermistor, Temperature Probe Assembly, and 203MW White Gasket; No extra parts needed; Directly fits Rheem ULN series, replacing SP21045; Save time and effort with this all-in-one set
✓Flame Monitoring – Secure Combustion Control: Equipped unit precisely monitors combustion chamber flame status; It prevents incomplete gas burning, reduces carbon residue risks, and eliminates sudden fault shutdowns; Ensures stable heating performance and safe daily operation for your water heater system
✓Sturdy Materials – Built to Last: Crafted from premium-grade materials with excellent corrosion resistance and thermal stability; Every piece is strictly tested before shipment to meet industry standards; This robust construction guarantees long-lasting sturdiness, reliable sealing, and consistent functionality even under extreme temperature and pressure conditions
✓Easy Installation – No Special Tools: Designed for quick DIY replacement with clear illustrated instructions; No special plumbing tools required, making it suitable for both professionals and homeowners; Reduces maintenance costs and restores hot water supply rapidly, delivering a smooth and frustration-free installation journey
✓Check Fitment – Order with Confidence: We stand behind our product with dedicated customer support; To ensure exact compatibility, please verify your heater model and SP21045 part number matches our listing before purchase; This step secures a correct fit, ensuring optimal performance and complete satisfaction with your replacement choice
⚙️ Specifications
1 x 1 x 1 inches
6.2 ounces
LALBLCLD
B0H4QM1WRP
SP21045
June 10, 2026
Product Dimensions
1 x 1 x 1 inches
Item Weight
6.2 ounces
Manufacturer
LALBLCLD
ASIN
B0H4QM1WRP
Item model number
SP21045
Date First Available
June 10, 2026
Best Sellers Rank
See Top 100 in Patio, Lawn & Garden
Ships From
Amazon
