why is the hot water turned off at night...on and off for 2 weeks now. Still no help

Apartment building

847 S Alvarado St, Los Angeles, CA 90057, USA

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4125 Whittier Blvd, Los Angeles, CA 90023, USA

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143 S Burlington Ave, Los Angeles, CA 90057, USA

Apartment building

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5503 S Figueroa St, Los Angeles, CA 90037, USA

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Apartment building

7621 S Figueroa St, Los Angeles, CA 90003, USA

Apartment building

10705 Rose Ave, Los Angeles, CA 90034, USA