Post is looking for a vendor to supply Lochinvar brand of water heaters. These will be installed with post technicians. Purpose - The current water heaters are aging with constant leakage breakdown, s... Post is looking for a vendor to supply Lochinvar brand of water heaters. These will be installed with post technicians. Purpose - The current water heaters are aging with constant leakage breakdown, see the attached statement fo work and . Preferred brand will be Lochinvar or equal.