Maintenance a professional plumber should check the complete system, including the expansion tank, yearly and more frequently as the system ages. Amtrol invented the thermal expansion tank to control pressure buildup in closed. Thermxtrol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. For use in closed, potable hot water systems to control pressure buildup and protect the water heater.
Thermal expansion occurs as domestic water is heated. To determine the size needed for your system, use the expansion tank sizing calculator. Available in diaphragm, full acceptance and partial acceptance bladder designs, all thermxtrol expansion tanks are made in the usa at our iso 9001. Amtrol st 60v 147n is a thermxtrol expansion tank nonasme with 34 gallons volume and 150 psi maximum working pressure. How often does an expansion tank need to be replaced and also. St12c amtrol st12c thermxtrol asme expansion tank, 5 gallon 1426 typical amtrol thermxtrol st12c asme expansion tank installations. Amtrol ex60 extrol inline boiler system expansion tank 7. Amtrol st12 thermxtrol nonasme thermal expansion tank. I had the plumber out cause my pilot light was out for the heat and at the same time had a maintenance check and that is when he told be that it needed to be replaced and that it should be replaced 4 to 5 years and that the whole system needed to be system flush purge every 3 to 4 years. Amtrol st12 thermxtrol nonasme thermal expansion tank as the system water temperature reaches its maximum, the diaphragm flexes against the air cushion to allow for the increased water expansion. The tank required for any application can be sized with the following equation. Amtrol thermxtrol st12 water heater thermal expansion tank.
Fulfillment by amazon fba is a service we offer sellers that lets them store their products in amazons fulfillment centers, and we directly pack, ship, and wt12 customer service for these products. Residential water heaters laundromat pressure 150 psig factory precharge 55 psig field adjustable this product is nonreturnable. Amtrol 141n43 thermxtrol st12 expansion tank amtrol st12 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Amtrol st thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of. Both are intended to control the high end pressure of your boiler system and keep the relief valve from opening due to increased system pressure. This small volume of water can cause rapid increases in system pressure if a backflow preventer or other oneway device is installed without the proper thermal expansion tank. The amtrol st 8 390573 thermal expansion tank is an inline tank that has a total volume of 3. It accepts expanded water caused by thermal expansion, returns water to the system when hot water is used, and protects water heater and fixtures. The airgenerate a7 airtap heat pump is a retrofit heat pump that will fit any existing gas or electric tank type water heater from 30 to 80 gallons in size.
Amtrol st12 expansion tank pdf 1 ensure expansion tank is sized properly for application figure 1. Buy amtrol thermxtrol st 5 2 gallon bladdertype expansion tank for potable hot water systems. Finally my water heater started to leak and this is when i found the expansion tank was full of water the diafragm was broken. Asme commercial expansion tanks l series specifications model number tank volume gallons max. The precharge pressure of the tank can now be increased to the recommended high pressure setting. Once the expansion tank is installed, check the cold water supply line for any leakage. An expansion tank is a required component for all hot water boiler systems, and is designed to control system pressure and help reduce energy consumption of heating and circulating operations. With tank empty of water, adjust air precharge to match cold water supply pressure. Please call us toll free at 8669149802 and we will help you figure.
Amtrol st 12 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Amtrol st 8 thermxtrol inline thermal expansion tank 3. Amtrol st 12c thermxtrol asme thermal expansion tank is engineered to control pressure buildup in closed, potable water systems. If we cant repair it, well replace it or reimburse the purchase price with an amazon egift card. Asme tanks meet section viii, division 1 standards. Accepts expanded water as system temperature rises and returns hot water to system when demand occurs. Amtrol st12c thermxtrol asme thermal expansion tank is engineered to control pressure buildup in closed, potable water systems. Home all products plumbing tanks expansion amtrol amtrol st 5c150 thermxtrol tank asme. The water heater and expansion tank will now be operational. Working pressure 125 psi 150 psi 175 psi 250 psi 300 psi 200l 53 53 24 38 1 190 205 250 290 297 300l 80 80 24 52 1 230 292 320. Residential water heaters laundromats hospitals and nursing homes car washes dishwashers plant washrooms hotels and motels restaurants schools and dormitories amtrol thermxtrol st12c asme expansion tank specifications. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 2 gallons 7. Water heater expansion tanks sun source energy products.
Amtrol ex15 15 extrol expansion tank, pump accessories. System must be pressurized to 5560 psi or slightly higher than the precharge setting of the tank. Install the expansion tank on the cold water supply line to the water heater at a point between the water heater and backflow preventer or other oneway device see figure 2. Nearly seven decades after inventing the first diaphragm expansion tank, amtrol s lineup now includes specialty models engineered for modern, highefficiency systems. This tank will not lose its air cushion unless the bladder becomes detached, at which point the tank would need to be replaced. Amtrol st thermxtrol thermal expansion tank roll over image to zoom in.
Amtrol thermxtrol thermal expansion tank, inline, series. Home all products plumbing tanks expansion amtrol amtrol ex60 hydronic exp tank. Amtrol thermal expansion tanks are engineered to control pressure buildup in closed, potable. Amtrol thermxtrol hot water heater expansion tank st12. Specifications expansion tank type there are two basic expansion tank types. Amtrol thermxtrol expansion tanks submittal data sun. Checking the precharge allows a small quantity of air to escape and. Below is a direct link to brochures, installation and operating instructions and submittal data sheets for each product. With the installation of a backflow preventer, check valve or pressure reducing valve on the supply line, the water heater and the system piping form a closed plumbing system under pressure. Volume gallons a diameter inches b height inches system conn. Amtrol 141n43 st12 thermxtrol inline thermal expansion. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard.
The product works great, i installed it a couple weeks back and it has held my water system pressure steady at 70 psi ever since. For use with closed hydronic heating and cooling systemsfactory precharged to 12 psigprecharge should be. Mountainland supply amtrol st5c150 thermxtrol tank asme. Providing wholesale distribution of solar thermal and electric systems and components. Amtrol 141n43 st12 thermxtrol inline thermal expansion tank for domestic potable watermodel st12description 141n43volume gal 4. I pipe the 34 off the top of the eas to the tank and bring the feeder into the bottom tapping of the eas. Provides all of the information needed to include an amtrol product as part of a job quote. Amtrol ex15 15 extrol expansion tank in pump accessories. Okay great thank you it doesnt appear to leak now when i look at it. With modern plumbing codes mandating backflow prevention, thermal expansion can cause pressure buildup in domestic water systems. Amtrol st5 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water. Plain steel tanks have no moving parts, and require a separate pressure reducing valve to maintain initial fill pressure of 12 psi or higher depending upon the requirements of your system.
Thermal expansion absorbers, stseries nonasme b a b a inline models model tank max. This was followed with the invention of the first prepres. Amtrol st 5c thermxtrol asme thermal expansion tank is engineered to control pressure buildup in closed, potable water systems. Amtrol thermxtrol st12 expansion tank141n43 the home. The st 8 is able to return hot water to the system when demand occurs, cutting down on unnecessary heating of additional volumes of water. They really look like monsters hanging on the supply. Amtrol 141n43, thermxtrol st12 thermal expansion tank. I have to admit i did not maintain the pressure in the tank like it should have been done. Amtrol thermal expansion tanks are engineered to control pressure buildup in closed, potable water systems. Amtrol revolutionized the hydronic industry when we introduced extrol, the worlds first prepressurized diaphragm expansion tank. Amtrol thermxtrol st12 expansion tank141n43 the home depot. Page 1 rupture or explosion hazard a relief valve must be installed to prevent pressure in excess of local for system volumes over 120 gallons, visit. Below is a direct link to submittal data sheets for each product.
Get the thermxtrol expansion tank st5, easy to install helps eliminate btu and water waste from the home depot. Thermxtrol expansion tanks absorb this expanded water, keeping water pressure at a safe level. Shop online for thermxtrol model st thermal expansion tank gallons by amtrol for domestic plumbing applications. This was followed with the invention of the first prepre. Expansion tanks have capacities ranging from 2 gallons to several hundred gallons. May, 2014 amtrol st12c thermxtrol asme expansion tank, 5 gallon 1426 typical amtrol thermxtrol st12c asme expansion tank installations. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. This small volume of water can cause rapid increases in system pressure if a backflow preventer or other oneway device is installed without the proper thermal. As you said, a tank fitting always w the steel tank. Amtrol st12 thermxtrol nonasme thermal expansion tank packaging will be damaged. Amtrol st12 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. I think the failure of amtrol tank has killed my water heater prematurely.
For warranty information about this product, please click here pdf. Amtrol st 12 141n43 thermal expansion tank, priceeach. Amtrol st120vc thermxtrol asme expansion tank, 68 gallon. Amtrol st12 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of. Left unchecked, the resulting pressure increase can cause relief valve discharge and other potentially unsafe conditions. Airtap, converts air energy to heat and plugs directly into any gallon water tank. Amtrol 140n43 thermxtrol st5 expansion tank amtrol st5 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion.
Amtrol thermxtrol st12 st series inline thermal expansion. Maintenance a licensed professional should check the complete system, including the expansion tank, yearly and more frequently as the system ages. Amtrol technical support information, product brochures and more. Installed this amtrol expansion tank and problem solved. Amtrol st 12 c therm x trol asme expansion tank 5 gallon 141. We are the most experienced solar distributor in the northeast and are factory authorized and trained to help you with all of your solar equipment needs.
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