C-158 / C-258 | Heavy Pattern Hose Bibb with Breaker & BFP

PRIER anti-siphon hose bibbs are designed for areas that require water service with an anti-siphon backflow check valve connection, but are not subject to freezing temperatures. Typical installations include outdoor connections in mild climates or any indoor installation for residential, commercial, institutional and industrial applications.

Additional Info

PRIER has been manufacturing the C-158 Anti-Siphon Hose Bibb since the late 1980's. This product has all the time tested features of our C-138 series, with the added protection of a vacuum breaker and backflow preventor. It is a simple operating product that is fairly simple to repair.

Possible Repair Issues for the C-158 Angle Sill Faucet:

1. When the water is running, water leaks out from behind the handle

This is a common maintenance occurrence for any packed valve of any brand or manufacture. It is overcome by simply tightening the packing nut with a crescent wrench. This will force the packing tighter around the stem to eliminate leakage.

Occasionally, the packing will need to be replaced if the packing nut has been repeatedly tightened.

The parts required for this is a C-134KT-803 Packing Kit

C-134KT-803 Stem Packing Kit

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2. The hose bibb drips after shutoff

The angle sill faucet/hose bibb may drip for a few moments after shutoff. If the water continues to drip after that time, you most likely need to replace the bibb washer.

PRIER utilizes a 1/4 L beveled bibb washer for angle sill faucets. This bibb washer is a standard 1/4 L beveled bibb washer, available from your plumbing supply house. The appropriate kit for this item is part # C-135KT-802. 

C-135KT-802 Replacement Bibb Washer Kit

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3. The handle is missing from my hose bibb

C-138KT-801 Replacement T-Handle

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4. The stem end is damaged and I cannot operate the hose bibb

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

The proper replacement stem for the C-158 is part # 231-0001.

The proper replacement stem for the C-158ST is part # 231-0002.

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5. How do I convert the hose bibb to loose key?

The C-158 Handle to Loose Key Repair Kit includes the following part numbers:

C-138KT-801 T-Handle and Screw Kit

310-1021 Valve Stem Cap

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6. Water is leaking from the holes on the vacuum breaker

The rubber washer inside the vacuum breaker has failed and needs to be replaced. This is accomplished by unthreading the vacuum breaker from the body of the hydrant and replacing the internals. The vacuum breaker is sealed to the body with a body sealant and may require heat to break loose.

The parts required for this is a C-434KT-906 Vacuum Breaker Replacement Kit

Installation Instructions:

To repair the vacuum breaker on any of the above items, it first needs to be removed from the valve. The vacuum breaker is sealed to the valve and needs to be heated with a torch to be removed. Once it is removed you can reinstall the new parts in the order as shown above.

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7. I need a complete rebuild kit

The C-158 Repair Kit includes the following four part numbers:

C-138KT-801 T-Handle Kit

C-134KT-803 Packing Kit

C-135KT-802 Seat Washer Repair Kit 

C-434KT-906 Vacuum Breaker Kit

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