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The 2-gallon expansion tank is built with a heavy duty diaphragm system to absorb the expansion of water volume. This helps prevent dangerous pressure build-up and protects your closed water system. The tank is factory pre-charged at 40 psi.

The Water Worker 20 Gal. Horizontal Pressurized Well Tank is pre-charged and designed to maintain its air charge for years to provide easy upkeep. The tank utilizes a thick diaphragm to keep water separate from pre-charged air and to help reduce air loss. This tank also features a steel shell to support the water weight, a polypropylene liner to help prevent taste or odor from being absorbed into the water and deep-drawn steel construction for durability.

This Water Worker 20 Gal. Pressurized Well Tank is a direct-fit replacement for many installed well tank bases. It's highly durable with a deep-drawn steel construction and a polypropylene-lined shell. The shell supports the water weight and the liner separates the water from the shell so there is no taste or odor. The thick diaphragm keeps water separate from pre-charged air to reduce air loss. This tank comes pre-charged and will maintain its charge for years for easy upkeep.

ACDelco Nickel Metal Hydride (Ni-MH) Insta-Use Rechargeable Batteries allow the consumer to use the battery right out of the package without having to charge first. These batteries can be recharged hundreds of times reducing the carbon footprint of your electronic devices and saves you money. Not only do these batteries last longer than traditional Alkaline batteries, but using one rechargeable battery keeps 1000's of Alkaline batteries from being disposed in landfills each year. Everyone wants a brand they can trust. Dependable and reliable, the ACDelco brand has represented quality batteries and products since 1916.

Keep your family fully powered every day with long-lasting Energizer Recharge Universal Rechargeable Batteries. Pre-charged and ready to go when they arrive on your doorstep, these rechargeable batteries help you save money and create less waste over time, reducing environmental impact. Each Energizer Recharge Universal AAA battery can be charged and used up to 1000 times. Don't feel like using your charged-up batteries right away? The charge lasts up to one year in storage. Simply pair up with any Energizer Recharge Charger to power up your everyday devices like toys, digital audio devices and wireless electronics and keep the power going.

The 4.5 gallon expansion tank is built with a heavy duty diaphragm system to absorb the expansion of water volume. This helps prevent dangerous pressure build-up and protects your closed water system. The tank is factory pre-charged at 40 psi.

The Water Worker 6 Gal. Horizontal Pressurized Well Tank helps your well run smoothly. It uses a thick diaphragm to keep water separate from pre-charged air to reduce air loss and it's pre-charged to last for years. It features a steel shell that supports water weight, while a polypropylene liner prevents the water from absorbing odor and taste. This durable tank is NSF-certified for safe drinking water.

This three zone MRCOOL DIY bundle includes a 36k BTU condenser, three 12k wall mount air handlers, two 16' pre-charged line sets and one 25' pre-charged line set. The Multi-Zone Ductless Mini-Split Heat Pump Condenser delivers powerful, whole-home comfort while helping you save on both installation and long-term energy costs. When fully installed with compatible air handlers, this high-capacity unit can efficiently heat and cool up to four individual zones, covering a total area of approximately 1,500 square feet. Boasting an impressive 23 SEER2 rating and 9.9 HSPF2-4, this condenser offers outstanding energy efficiency, making it ideal for homeowners who want to reduce utility bills without sacrificing performance. Installation is made remarkably simple thanks to MRCOOL 's patented pre-charged DIY Quick Connect line sets, pre-filled with R-454B refrigerant. These line sets eliminate the need for vacuuming, gauges, or specialized tools, allowing most homeowners to complete the setup themselves-no professional HVAC technician required. This innovation not only streamlines the installation process but also saves money and time from day one. The Ductless Mini-Split Heat Pump Air Handlers offer an ideal combination of power, efficiency, and convenience. MRCOOL offers strong warranty protection. With online registration, your air handler is covered by a 7-year compressor and a 5-year parts warranty.

This three zone MRCOOL DIY bundle includes a 48k BTU condenser, two 9k and one 24k wall mount air handler, two 16' pre-charged line sets and one 25' pre-charged line set. The Multi-Zone Ductless Mini-Split Heat Pump Condenser delivers powerful, whole-home comfort while helping you save on both installation and long-term energy costs. When fully installed with compatible air handlers, this high-capacity unit can efficiently heat and cool up to six individual zones, covering a total area of approximately 2,000 square feet. Boasting an impressive 21.8 SEER2 rating and 10 HSPF2-4, this condenser offers outstanding energy efficiency, making it ideal for homeowners who want to reduce utility bills without sacrificing performance. Installation is made remarkably simple thanks to MRCOOL 's patented pre-charged DIY Quick Connect line sets, pre-filled with R-454B refrigerant. These line sets eliminate the need for vacuuming, gauges, or specialized tools, allowing most homeowners to complete the setup themselves-no professional HVAC technician required. This innovation not only streamlines the installation process but also saves money and time from day one. The Ductless Mini-Split Heat Pump Air Handlers offer an ideal combination of power, efficiency, and convenience. MRCOOL offers strong warranty protection. With online registration, your air handler is covered by a 7-year compressor and a 5-year parts warranty.

To absorb the increased water volume created when a hot water boiler is heated, look to this Watts water expansion tank. Made for non-potable water systems and closed-loop heating systems, the pre-charged steel tank has the equivalent capacity of 2.1 gal. With a maximum working pressure of 60 psi, it maintains the system pressure below the relief setting of the relief valve.