Customer reported that the frost free hose bib we installed last April was dripping. Verified that hosebib had steady drip. Water heater is blocking access to hosebib connection. Customer shut off water at house. Removed packing and stem from body of faucet. Found a chunk of thread tape and pipe thread compound stuck in stem washer. Removed debris and re assembled. No leaks detected after removal of debris. If hosebib leaks again we will need to remove water heater. There will be a charge to do so. Hosebib is still under warranty. Please send hard copy of invoice.