Water Heater Parts and Full Units In Stock — Residential & Commercial Solutions Available

At Arender Plumbing Supply, we understand the importance of having reliable, high-performing water heaters and the critical components that keep them running. Whether you’re a homeowner, contractor, or property manager, access to high-quality water heater parts and full replacement units is essential for uninterrupted service. That’s why we maintain a comprehensive inventory of residential water heater parts and full units, as well as commercial water heater parts available for special order. From pilot assemblies and thermocouples to full units ranging from 2.5 to 75 gallons, we’re your trusted source for everything water heater-related.

A Full Range of Water Heater Parts for Repairs and Upgrades

At Arender Plumbing Supply, we stock the water heater parts you need to make timely and lasting repairs. Our warehouse is stocked with essential components to support urgent jobs and ongoing maintenance, ensuring you won’t be left waiting when you need replacement parts the most.

We carry all common parts including thermopiles, thermocouples, pilot assemblies, burners, gas valves, and relief valves. Whether you’re troubleshooting a heating failure or planning routine maintenance, you’ll find what you need on our shelves. Our parts inventory supports both gas water heater parts and electric water heater parts, giving you the flexibility to service a wide range of models and configurations.

One of our most requested items is the pilot assembly replacement. A malfunctioning pilot light can leave homes without hot water at the most inconvenient times, but with our in-stock pilot assemblies, you can get systems back online quickly. Similarly, our selection of thermocouples for water heaters is trusted by professionals who know that precision and quality matter when dealing with safety-critical components.

Major Water Heater Brands Supported

At Arender Plumbing Supply, we pride ourselves on carrying parts compatible with the industry’s most trusted water heater brands. Our inventory includes:

• AO Smith water heater parts, for one of the most widely used brands in both residential and light commercial settings.

• American water heaters parts, known for their balance of affordability and performance.

• State water heater parts, supporting a wide network of home and business systems.

• Whirlpool water heater parts, popular in home improvement markets.

• Reliance water heater parts, often used in residential replacements.

• Rheem water heater parts, recognized for their energy efficiency and longevity.

This wide-ranging compatibility means you’re more likely to find the exact part you need on your first visit, minimizing downtime and service delays. Whether you’re dealing with an older model or a new high-efficiency system, our knowledgeable team is ready to help you identify and secure the correct component.

Residential Water Heater Solutions: Fast, Reliable, and In-Stock

For our residential customers, Arender Plumbing Supply ensures a steady and robust inventory of residential water heater parts and units. Our in-store selection covers virtually every need, from minor fixes to full unit replacements. We keep a wide variety of parts in stock for common residential setups, allowing for quick service calls and do-it-yourself repairs.

If you’re in the market for a new residential water heater, we stock full units ranging from compact 2.5-gallon under-sink units to full-size 75-gallon tanks, in both gas and electric models. Our focus is on American water heaters brand units, known for their reliability and wide availability of replacement parts. These units come with a standard 6-year warranty on both the tank and parts, giving homeowners peace of mind and long-term value.

Our team is available to assist with selecting the right model based on home size, fuel type, and expected usage. With water heaters in stock and ready to go, you won’t have to endure the wait or settle for a less suitable option.

Commercial Water Heater Support: Special Orders and Full Units

While our main focus is residential solutions, we also offer strong support for commercial clients. We understand that commercial water heating systems often require specialty components and larger capacities, so we’ve designed a solution tailored to meet those needs.

At Arender Plumbing Supply, commercial water heater parts are available for special order through our well-established supplier network. Whether you need a high-output gas valve, a commercial-grade pilot assembly, or a complete burner kit, we’ll ensure you get the right part — fast. Our team will guide you through the ordering process, ensuring compatibility and compliance with building standards and codes.

For those requiring a full system upgrade, we also offer full commercial water heaters by request. These systems are ideal for businesses, multifamily buildings, and other high-demand environments. Whether you’re replacing a failing unit or expanding capacity, we can help configure a system tailored to your commercial needs.

Trust Arender Plumbing Supply for All Your Water Heater Needs

What sets Arender Plumbing Supply apart is our dedication to quality, availability, and expert service. We understand that hot water is more than a comfort — it’s a necessity. That’s why we work diligently to maintain a comprehensive inventory of water heater parts and units to serve our community of homeowners, plumbers, and commercial operators.

From AO Smith water heater parts and Rheem water heater parts to Whirlpool water heater parts, we offer dependable compatibility and immediate availability. Our selection of thermocouples, gas valves, and pilot assemblies means you won’t be caught off guard when time-sensitive repairs arise. For residential customers, our in-stock water heaters deliver quick solutions with trusted warranties, while commercial clients benefit from our custom ordering and sourcing capabilities.

Our knowledgeable team is here to help identify the parts you need, recommend system upgrades, and ensure you get the right solutions — every time. Whether you’re facing an emergency breakdown or planning an energy-efficient upgrade, Arender Plumbing Supply is your trusted partner for water heater parts and full unit solutions.

Need a Residential & Commercial Plumbing Supplies Store Near You?

Looking for the right plumbing parts or expert advice? At Arender Plumbing Supply, we’re here to help. Whether you’re a seasoned pro or tackling a weekend project, our knowledgeable team is ready to provide the trusted brands, hard-to-find items, and personalized service you need to get the job done right. Reach out to us today—we’re proud to be Jackson’s go-to plumbing supply shop since 1983, and we’d love to help with your next project!