8 - 10. NET30. Spoke to Duke. Said he received letter from insurance company requiring: 1) automatic water shut off device – has 2 on hand, wasn't sure if we need just 1 or 2 for both backhouse and main home. 2) low temperature sensor? Jesse said this may be for the water heater/pressure relief valve, so please check this out as well while there (there is 1 water heater in garage, second is in back house). PLEASE TAKE PICTURES while there, Duke needs them for insurance. If you have any questions, please call Duke and also call him with pricing for approval before performing work! - (909) 957-8688