But the sales-like nature of this visit put me off could i save more elsewhere? Use our boiler finder tool to find the right solution for you. We offer estimates, so call today! If you think there is a blockage or if your property has been flooded by our public sewer, please let us know. Check out our tool selection guide or chat with a drain brain! If you have low pressure, there’s a good chance you have a leak in your central heating system.