Is it necessary to buy the wall-hung boiler of the property when Gu 'an Golden Sea City delivers the house?

Delivery refers to the behavior of the developer to deliver the house that meets the agreed delivery conditions to the buyer within the delivery period stipulated in the contract according to the commercial housing sales contract. The date agreed in this contract has legal effect. It marks the official start of residential property management construction, and the situation of mutual management and supervision among property management enterprises, owners and users has been formed.