Wall HydrantVacuum Breakerrepair kit

Here is a link to the 45B at lowes: https://www.lowes.com/pd/Watts-LFN45B-Copper-3-4-in-MNPT-Pressure-Reducing-Valve/3503148

First question I'm trying to identify the right replacement part for a Watts n35b water pressure regulator. A watts LFN45B appears to be the new version of this. It has the same specifications: Range 25-75. The threading set up also looks the same. Is this right?

Wall hydrant repair kitHome Depot

To determine the proper replacement stem, you will need to determine the length of the stem, from brass tip to brass tip. This will give you the Overall Length (OAL) of the stem. Next, please use the following document to match up the correct part number: Identifying Your Mansfield Style Hydrant

Since a freezeless hydrant actually shuts off inside the heated portion of the structure, the water inside the hydrant will drain out after shutoff. The shutoff point could be any distance from 4" to 14" inside the structure. This installation should also be pitched to allow the water to easily drain out of the hydrant. The hydrant may drip for up to 60 seconds after shutoff. If the water continues to drip after that time, you most likely need to replace the seat washer. This is a "OO Beveled Seat Washer" and is included in the service kit part number 630-7755.

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Second question - When installing this do I need to solder it or do any other treatment to the threading besides letting the o-rings do the work?

ZurnWall Hydrant repair Kit

PRIER has been manufacturing the C-144/244 Freezeless Hydrants since 1990. This freezeless hydrant has truly passed the test of time. It is a simple operating product that is fairly simple to repair. Possible Repair Issues for the C-144 Freezeless Wall Hydrant include:

All parts for this hydrant are still available. For a complete list of replacement parts, see the Spec Sheet under the "Technical Info" tab.

*PLEASE NOTE: Since the creation of this video, we have updated our vacuum breakers to aluminum caps as shown above. The C-144KT-806 and 630-7500 are now universal vacuum breaker kits and will fit all past and present PRIER and Mansfield style residential hydrants.

Occasionally the stem of the PRIER Mansfield Style Freezeless Hydrant gets damaged beyond repair. This is most commonly caused by the hydrant being operated by pliers and damaging the brass on the end.

To determine the proper replacement stem, you will need to determine the length of the stem, from brass tip to brass tip. This will give you the Overall Length (OAL) of the stem. Next, please use the following document to match up the correct part number: Identifying Your Mansfield Style Hydrant