shutoff

Hello. Not a plumber. A real estate professional looking at an old building (5 story NYC tenement) in Harlem. This is the gate valve for main water supply line coming in from the street, before the meter. Can anyone provide an estimate of how old this valve might be? I've talked to the super. He...

[Questions] - Well pump convert from hardwire to Plug. Good afternoon, Wanting to convert my well pump from being hardwired to the junction box, to being able to be plugged in. The AC unit has a shutoff switch at the air handler and outside unit, so why not convert the pump to a plug and be...