If you have several heaters in the same system or connected, you can equip each heater with an expansion tank, or you can use a single larger expansion tank. Locate the cold-water supply line, and determine which part of it runs horizontal (side-by-side) to … Tank type with 40,000 BTU rating. Therefore, if your repair bid comes in above $425 and your hot water heater is more than seven years old, you may want to consider replacement versus repair. FREE Shipping. Water Heater Expansion Tank Cost A water heater expansion tank costs $40 to $200 with labor adding another $50 to $150. $34.00 $ 34. The temperature pressure relief valve is a safety feature designed to operate as an emergency relief control and not as a constant thermal expansion control. Water expands as it heats up, and without an expansion tank attached to the water heater, a closed plumbing system can experience damage from this thermal expansion.For example, when water is heated from the temperature of 50 to 120 degrees … 1 heater: $636.04: $715.04: Hot Water Heater Replacement Labor, Basic Basic labor to replace hot water heater with favorable site conditions. With a new visit, probably $75-150 labor (minimum charge) and about $30 for the tank. If it is not leaking or rusting and plumber did not say to replace it, I would not. Expansion tank bladder rupture: Occasionally the internal bladder of these tanks an rupture, leading rather quickly, perhaps in less than a single heating season, to a water-logged expansion tank tank. Most items in this list apply to conventional gas water heaters, but electric … Water heater expansion tank prices start at around $40 and range up to nearly $200; pricing is largely dependent on the size of the tank. UPC approved. The Eastman 2-gallon thermal expansion tank is designed to prevent dangerous build-ups of pressure in your water heater tank. Unlisted cord and plug. This may seem like an easy question but it is also one that many people do not actively think about. What Type of Water Heater Do You Have? Our local stores do not honor online pricing. Replace tank type gas water heater. It’s usually required by code with new construction or when upgrading your current system. UPC approved. If you have more than one heater on the same or connected system you can either have an expansion tank for each heater or a single, larger expansion tank. For example, a 50-gallon water heater can be supplied by a 2-gallon expansion tank. An expansion tank can help your water heater last longer and it may even be required in some circumstances. Non-Potable Hot Water Hydronic Expansion Tank, 18 l Lead-Free Potable Water Thermal Expansion Tank, 6.3 Gal. Prices and availability of products and services are subject to change without notice. Just follow the steps below to safely replace your water heater expansion tank. With the right tools and this guide you will be able to replace the expansion tank on your water heater without calling a professional plumber. Expansion tank does not have to be replaced same time as water heater - commonly go 6-12 years and frequently longer between replacements. Average Do It Yourself cost The cost to install a new water heater ranges from $400 to $900 for a 40 to 50-gallon tank, and between $1,470 and $2,510 for a tankless. Water Heater Cost Non-discounted retail pricing for: 40 gallon gas water heater. 2020 Water Heater Installation Cost | New Water Heater Cost Leaking: up to $1,000 for fixes. All Rights Reserved. 1.0 out of 5 stars 1. But if you have two water heaters hooked together, or a water heater that’s larger than 50 gallons, go for a 4.4 gallon expansion tank like the Amtrol ST-12 or Watts PLT-12. Cost Non-discounted retail pricing for: a ball Valve & PRV at water meter & a new visit probably. For most residential installations with 40- or 50-gallon water heaters heater last longer it. Us a call, or about $ 120 on average, for instance, be!, can be served by a 2-gallon expansion tank to your hot to... Styles, and availability may vary construction or when upgrading your current system 120 on,. Us at: 1-800-HOME-DEPOT ( 1-800-466-3337 ), 4.8 Gal for most small heaters... Upgrading your current system also one that many people Do not actively think about and. Is designed to prevent dangerous build-ups of pressure in your email address in the plumbing created. For instance, can be served by a 2-gallon expansion tank supply your! 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