- Proper Frost Free Hydrant Installation Kit
- Proper Frost Free Hydrant Installation Diagram
- Proper Frost Free Hydrant Installation Tool
- Proper Installation Of Frost Free Hydrant
Proper Frost Free Hydrant Installation Kit
I bought a 12″ Aqua dynamic Frost free wall hydrant (with Anti-Siphon vacuum breaker) from local Home Depot and it took an afternoon on the weekend to do it. It was easy but I was stupid enough to buy the wrong parts (plumbing thread types), so in order to save time and not to drive to Home Depot again, I decided to use whatever in my tool box and came up with an alternative solution – compression fittings and copper pipe soldering. The whole project took longer because of my mistake.
Honestly, if you don’t want soldering and don’t even want to work with PEX, buy SharkBite pipe fittings instead. Since I have all the tools when I worked on many plumbing projects in our old house, I decided to go this route mainly I have left over parts. But I bet SharkBite would be the quickest in terms of time.
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- The beauty of a frost-proof water hydrant is that it drains itself every time you shut off the water, preventing water from freezing inside the faucet in winter. To ensure the frost-proof function works, the drain valve at the bottom of the hydrant's standpipe must be buried below the frost line, the depth to which the ground freezes in winter.
When a hydrant can’t be repaired by replacing washers and o-rings, it must be replaced. Proper installation is critical when it comes to wall hydrants. Frost free hydrants should be anchored, sleeved, and sloped. Most hydrants we see are not anchored (even in new homes) this could allow the hydrant to over rotate compromising the supporting.
Dig the ditch several feet past the hydrant location, a foot deeper than the waterline. Put a foot and a half of gravel in trench and around hydrant after installing. Lay black plastic on top of gravel, then backfill with dirt. The plastic keeps dirt from mixing into the rock. You will always have a place for the water to go. I bought a 12″ Aqua dynamic Frost free wall hydrant (with Anti-Siphon vacuum breaker) from local Home Depot and it took an afternoon on the weekend to do it. It was easy but I was stupid enough to buy the wrong parts (plumbing thread types), so in order to save time and not to drive to Home Depot again, I decided to use.
Proper Frost Free Hydrant Installation Diagram
COLD WEATHER INSTALLATIONS
Most Forest Service recreation and administrative sites are located in areas where freezing weather occurs during a significant portion of the use season. Hydrants (water faucets) located outdoors can be damaged by the water freezing in the barrel of the hydrant. Some hydrants have been rendered 'frostproof' by the installation of a drain that empties the water, remaining in the barrel, into the surrounding soil when the hydrant is turned off. Since the drain is open, it provides a route through which ground water, insects, and dirt can enter the barrel; possibly contaminating the water supply. In those cases where a simple standpipe is used-i.e., there are no means of draining the barrel-site managers have had to either leave the hydrant on (water flowing through a hydrant normally will not freeze), or shut off and drain the water system prior to the onset of freezing weather. Some of these actions are costly, inconvenient to the manager and the user, and dangerous to public health.
This Tech Tips provides the recreation and administrative site manager with updated information on available frostproof hydrants, how they operate, and what they cost. It replaces Equip Tips No. 7723 1302, May 1977. Three methods of frostproofing the hydrants were found back in 1977: Draining the water out of the barrel into the surrounding soil; draining the barrel into an internal reservoir; and heating the barrel with an immersion heater. (Of course, any pipe or hydrant can be made frostproof with the use of electrical heat tape.) Actually, there has been very little change in the technology of sanitary, frostproof hydrants in the intervening years.
Proper Frost Free Hydrant Installation Tool
In a recent market search, San Dimas Technology and Development Center (SDTDC) personnel identified five hydrants that appear to be sanitary and frostproof: American Foundry model 126-SC; Clayton Mark model 5441; Murdock model BFMH-175-SC; Woodford model MK 6B (formerly a Modem Kelly Corp. model); and Woodford model S1 (formerly a White Water Mfg. model). Some of these manufacturers have other frostproof models with more specialized applications; however, they were not included due to their cost and special application beyond the general scope of this Tech Tips.
Manufacturer and Cost Data
The manufacturer and the cost data for each hydrant are shown in the table that follows. (NOTE: The manufacturers should be contacted for additional information on installation, plumbing specifications, current prices, and replacement parts.)
| American Foundry and Mfg. Company|
920 Palm St.
St. Louis, MO 63147
| Clayton Marc, Inc.|
1203 North 6th St.
Rogers, AZ 72756
| Murdock, Inc.|
2488 River Rd.
Cincinnati, OH 45201
| Woodford Mfg. Company|
PO Box 888
Colorado Springs, CO 80901
| Woodford Mfg. Company|
PO Box 888
Colorado Springs, CO 80901
Proper Installation Of Frost Free Hydrant
The aging American population and the enactment of new laws securing the rights of people with disabilities emphasizes the need to make all facilities accessible to all people. The Uniform Federal Accessibility Standards (UFAS) were written to be used as a guide for making facilities accessible. The UFAS criteria for accessible controls and mechanisms require that they be operable with one hand and not require grasping, pinching, or twisting of the wrist. The force required to activate the control shall be no greater than 5 lb.
Of the five sanitary frostproof hydrants reported here, the Woodford model S1, which requires 2- to 3-lb of force, meets this standard. (NOTE: The Murdock hydrant can be adapted with lighter spring tension to meet this standard; however, the modification may not be compatible with some water systems as the hydrant will require reduced service line pressure. The installation of pressure regulators or flow restraints in the water line can overcome this problem. The manufacturer requests they be contacted for further information on specific applications.)