For use with closed hydronic heating and cooling systemsfactory precharged to 12 psigprecharge should be. Amtrol st 12c thermxtrol asme thermal expansion tank is engineered to control pressure buildup in closed, potable water systems. Thermal expansion absorbers, stseries nonasme b a b a inline models model tank max. Available in diaphragm, full acceptance and partial acceptance bladder designs, all thermxtrol expansion tanks are made in the usa at our iso 9001. 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. Mountainland supply amtrol st30vc150 asme expan tank. I have to admit i did not maintain the pressure in the tank like it should have been done. Amtrol st 80vc thermxtrol asme thermal expansion tank is 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. It accepts expanded water caused by thermal expansion, returns water to the system when hot water is used, and protects water heater and fixtures. All thermxtrol expansion tanks are made in the usa in our iso 9001. The fundamentals of expansion tanks taylor engineering.
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. Amtrol st 8 thermxtrol inline thermal expansion tank 3. Visit the home depot to buy thermxtrol st12 expansion tank 141n43. Amtrol 141n43 st12 thermxtrol inline thermal expansion tank for domestic potable watermodel st12description 141n43volume gal 4. Amtrol invented the thermal expansion tank to control pressure buildup in closed, potable.
Expansion tanks have capacities ranging from 2 gallons to several hundred gallons. Stiebel eltron tempra 12 whole house tankless electric water heater. Mountainland supply amtrol st5c150 thermxtrol tank asme. Amtrol technical support information, product brochures and more. Therm x trol amtrol st5 water heater expansion tank ebay.
Tank head terminology wednesday, july 4, 2018 head terminology refers to the terms used by the industry to describe the different attributes that make up the heads of the tank. Water heater expansion tanks sun source energy products. This was followed with the invention of the first prepres. The tank was installed horizontally above the heater see below. Expansion tank on my 50 gallon water heater become full of water so that i decided to replace it ordering the same model thermxtrol st 12 that i had before. Armstrong expansion tanks are designed to reduce tank sizes by up to 80% over standard designs. Get free shipping on qualified amtrol products or buy online pick up in store today in the plumbing department. Amtrol 141n43 st12 thermxtrol inline thermal expansion tanks, 5 year warranty. Amtrol therm x trol st 12 4 4 gallon bladder type expansion. Finally my water heater started to leak and this is when i found the expansion tank was full of water the diafragm was broken. Amtrol 50020 minitrol 500 12 npt water hammer arrestor shock suppressor.
Shop online for thermxtrol model st thermal expansion tank gallons by amtrol for domestic plumbing applications. Amtrol thermxtrol st12 water heater thermal expansion tank. Install thermal expansion tank whirlpool water heaters. 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. Residential water heaters laundromat pressure 150 psig factory precharge 55 psig field adjustable this product is nonreturnable. Amtrol thermxtrol st12 expansion tank141n43 the home. This thermal expansion tank is designed to maintain safe water pressures in a domestic water heating system that utilizes a backflow preventer or check valve.
Amtrol thermxtrol st12 expansion tank141n43 the home depot. Accepts expanded water as system temperature rises and returns hot water to system when demand occurs. Amtrol st 12 c thermxtrol asme expansion tank, 5 gallon 1426 description amtrol st 12 c thermxtrol asme expansion tank, 5 gallon 1426 safest and most cost effective way to control thermal expansion. Amtrol st12c thermxtrol asme expansion tank, 5 gallon. For warranty information about this product, please click here pdf. Maintenance a licensed professional should check the complete system, including the expansion tank, yearly and more frequently as the system ages. Install the expansion tank on the cold water supply line to the water. The tank heads are also sometimes called domed or dished ends. 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.
Amtrol 1011 ex15 15 extrol expansion tank 2 gallon volume. 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. 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. I think the failure of amtrol tank has killed my water heater prematurely. Amtrol st5 thermal expansion tank water heaters amazon. The expansion tank will control pressure increases caused by thermal expansion to a level below the water heater relief valve setting. April 29, 2020 amtrol st12 pdf admin amtrol st12 pdf amtrol st thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of. The thermxtrol was built to provide control of maximum system pressures at a level below the relief valve setting. Amtrol thermal expansion tanks are engineered to control pressure buildup in closed, potable water systems. Amtrol st12 141n43 thermal expansion tank, priceeach. Unfollow amtrol expansion tank to stop getting updates on your ebay feed. Amtrol st12 thermal expansion tank, water heaters amazon. With modern plumbing codes mandating backflow prevention, thermal expansion can cause pressure buildup in domestic water systems.
The amtrol st 8 390573 thermal expansion tank is an inline tank that has a total volume of 3. This prevents the water heater pressure relief valve from opening, saves energy. Amtrol st 5 thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. St12c amtrol st12c thermxtrol asme expansion tank, 5 gallon 1426 typical amtrol thermxtrol st12c asme expansion tank installations.
Amtrol st120vc thermxtrol asme expansion tank, 68 gallon. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve. Home all products plumbing tanks expansion amtrol amtrol st 5c150 thermxtrol tank asme. Amtrol st 12 c thermxtrol asme expansion tank, 5 gallon 1426safest and most cost effective way to control thermal expansion. Amtrol 141n43, thermxtrol st12 thermal expansion tank. The water heater and expansion tank will now be operational. Buy expansion tank thermxtrol thermal 2gal 150psig 34 npt non asme 40psig 240deg f. Amtrol st 60v 147n is a thermxtrol expansion tank nonasme with 34 gallons volume and 150 psi maximum working pressure.
Amtrol st thermxtrol is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of. Amtrol 141n43 st12 thermxtrol inline thermal expansion. They are not available to order on an individual basis, however each data sheet is available on the amtrol web site and can be downloaded and printed for use as. For use in closed, potable hot water systems to control pressure buildup and protect the water heater. To determine the size needed for your system, use the expansion tank sizing calculator. 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. Amtrol invented the thermal expansion tank to control pressure buildup in closed, hot water systems. Now when reading installation manual, i see that according to the manufacturer, the tank has to be installed vertically.
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