Description
Product Overview
The Delta RP31845 Extension Nut is designed for deck‑mount kitchen faucets that require an additional inch of thickness. Made from a high‑quality polished metal alloy, the nut features an elegant almond finish that complements modern kitchen décor. It includes a single centered handle location and a traditional curve spout design, ensuring a perfect match with existing Delta faucet lines. Dimensions are compact at 2.5 x 2 x 2 inches, and the lightweight construction (0.72 oz) makes installation straightforward.
![[Product front view showing all components]](https://www.lorvra.store/wp-content/uploads/2026/06/4bc7fe2867ed47f3bbf811bdbc4a9211.jpg)
Usage
Ideal for homeowners renovating kitchens with thick tile or stone countertops, this extension nut adds the necessary depth for a secure, leak‑free fit. It works with single‑hole deck mounts and is compatible with Delta’s 340, 342, 350, and 380 series when paired with the appropriate escutcheon. Perfect for both new installations and retrofits, it provides a clean, professional look without the need for additional hardware.
Why Choose Us
Delta delivers a limited lifetime warranty, reflecting confidence in material durability and precise engineering. Each nut undergoes rigorous testing to ensure consistent performance under daily kitchen use. Our commitment to quality means you receive a component that resists corrosion, maintains its polished appearance, and fits seamlessly with existing Delta faucet systems.
Key Features
- Adds up to 1‑inch of deck thickness for thick countertop installations
- Polished metal alloy construction resists wear and maintains a sleek look
- Almond finish blends with a wide range of kitchen styles
- Single‑hole design simplifies installation and reduces plumbing work
- Backed by Delta’s limited lifetime warranty and dedicated customer support
FAQ
Can this extension nut be used with other Delta faucet series?
Yes, it is compatible with the 340, 342, 350, and 380 series when installed with the appropriate escutcheon.
Is any additional hardware required for installation?
The package includes the nut and a handle; standard mounting hardware is typically already present in the faucet assembly.
What is the warranty coverage?
Delta offers a limited lifetime warranty covering defects in material and workmanship for this extension nut.
Will the almond finish match my existing faucet?
The almond finish is designed to complement Delta’s polished faucet lines, providing a cohesive aesthetic.
How does the extension affect water flow?
The nut adds thickness without restricting flow; performance remains consistent with the original faucet specifications.




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