Price is to install warrantied (part only) parts control board for Rinnai tankless unit. Dropped the tier of repair per Hunter. Added 30% discount per Tim. 11/27/26 Returned and installed manufacturer supplied pcb for Rinnai tankless unit. Installed the pcb per Rinnai specifications. Checked all values for parameter settings, confirmed matching gas valve values, and ensured proper wiring harness connection. Had customer run two upstairs tubs for several minutes and had no issues producing hot water with the new board. Found no issues post install at this time.