Expert Plumbing & HVAC Services in Mishawaka, IN

Responded to service callback for Navien tankless water heater displaying error code E421. Unit located in cemented crawlspace with limited access. Upon inspection, identified condensing heat exchanger issue related to error code indicating scale buildup or flow restriction. Accessed internal components through service panel, documented condition of heat exchanger assembly, control board, and associated plumbing connections. Photographed interior mechanical components including condensing heat exchanger, circulation pump, wiring harnesses, and control modules for diagnostic purposes. System requires descaling service or component replacement to resolve E421 error and restore proper operation.

Responded to service call for non-operational 8-year-old residential water heater located in crawlspace. Upon inspection, found unit in deteriorated condition with visible corrosion on tank exterior and aging copper supply lines. Performed diagnostic assessment of gas-fired water heater system, including inspection of burner assembly, thermocouple, gas valve, and venting configuration. Documented equipment condition with photographic evidence showing advanced tank deterioration, compromised insulation jacket, and mineral deposits indicating potential internal tank failure. Verified PVC venting system integrity and proper installation of supply and discharge piping. Provided comprehensive evaluation of system performance and recommended replacement options due to age of unit and extent of deterioration observed.

Responded to a water leak under the bathroom sink caused by deteriorated black rubber supply hoses. Removed the old corroded hoses and installed new braided metal supply lines to both hot and cold water connections. Verified all connections were secure, tested for leaks, and confirmed proper water flow to the faucet. The minor drip that had been ongoing for three weeks was successfully eliminated, preventing potential water damage to the vanity cabinet in this 1985-built home.

Responded to service call for reported water heater leak in basement with visible pudding around unit. Upon arrival, conducted thorough inspection of white cylindrical tanked water heater and surrounding plumbing connections. Examined all visible piping including copper supply lines, temperature and pressure relief valve, drain valve, and discharge tube for signs of active leakage or moisture accumulation. Inspected tank exterior for corrosion, rust staining, or structural compromise. Checked floor area beneath and around water heater to identify source and extent of water accumulation on concrete floor. Verified unit was currently operational and producing hot water as reported. Assessed age and condition of installation based on manufacturer labels and specifications visible on tank exterior. Evaluated all connection points, fittings, and valves for potential leak sources. Documented findings with photographic evidence showing mechanical room layout, water heater positioning relative

Responded to no hot water condition on tankless water heater displaying error code E.421. Upon arrival, inspected Navien NPE-15W.SQ unit over 10 years old with complete loss of hot water function. Diagnosed failed heating element assembly causing system shutdown and error code. Documented component failure with photographic evidence showing deteriorated heating element mounted on ceramic holder within heat exchanger assembly. Provided repair options and recommendations for unit replacement due to age and component availability considerations.

Responded to no cooling complaint for upstairs zone on dual-system residential property with unit less than one year old. Upon arrival, performed diagnostic evaluation of outdoor condensing units positioned on gravel pads against exterior brick wall. Inspected both systems for proper operation, airflow, and refrigerant line connections. Visual inspection revealed debris accumulation on outdoor unit fins, which can restrict airflow and reduce cooling efficiency. Verified system operation, checked electrical connections at exterior disconnect boxes, and assessed overall unit condition. Confirmed airflow at vents and ruled out frozen evaporator coil concerns. Recommended cleaning of condenser coils to restore optimal heat transfer and system performance for inadequate upstairs cooling issue.

Completed hard piping of AC condensate drain line using black PVC pipe with proper pitch and securing to wall structure. Plugged overflow drain port to prevent future drainage issues. Corrected previous water heater installation to meet code requirements and manufacturer specifications. Investigated and addressed additional basement leak as reported. All plumbing connections tested and verified leak-free upon completion.

Completed planned air conditioning maintenance as first stop of day. Performed comprehensive system inspection including electrical components, capacitor testing, and control panel evaluation. All wiring connections verified secure, capacitor operating within specifications, and system components found in good working condition with no deficiencies noted.

Responded to emergency no-cool call for residential air conditioning system less than ten years old. Upon arrival, performed visual inspection of outdoor condenser unit and verified system operation. Unit appeared to be in good physical condition with proper clearances, intact refrigerant line set, and secure electrical connections. Documented equipment condition with photographs for service records.

# HVAC Service Report Responded to emergency no-cool call for residential air conditioning system less than ten years old that failed following recent repair. Upon arrival, accessed attic-mounted equipment to diagnose system malfunction. Conducted thorough inspection of HVAC components including condensate drain system, refrigerant lines, and associated mechanical connections. Identified issues with condensate management system, including PVC drain line showing moisture accumulation and potential drainage concerns. Examined copper refrigerant lines and braided flex connections for proper installation and secure mounting. Verified all pipe supports, brackets, and mounting hardware were properly secured to structural members. Assessed insulation coverage and equipment accessibility for proper system operation. Documented existing conditions of water heater proximity to HVAC equipment and verified adequate clearances per code requirements. Performed system diagnostics to determine r

Completed planned trio maintenance on three Lennox air conditioning systems. Performed comprehensive inspection of outdoor condenser units, including electrical component examination, capacitor testing, and verification of proper wiring connections. Cleaned condenser coils per manufacturer specifications using water only, inspected control boards and terminal connections, and verified all safety labels were intact and legible. All three units operating within normal parameters with no deficiencies noted.

Responded to complaint of thumping sound from recently installed air conditioning unit in attic hallway. Inspected attic-mounted system and identified noise source as improperly secured flexible ductwork vibrating against wooden framing members during operation. Repositioned and secured flexible HVAC ducting with appropriate metal fasteners and clamps to eliminate contact with structural components. Verified proper clearances between ductwork and framing throughout accessible attic space. Tested system operation and confirmed elimination of thumping noise. Unit now operating quietly and returned to normal service.

# HVAC Complete System Installation Successfully completed full HVAC system installation including outdoor condensing unit and associated refrigerant line sets. Positioned equipment in exterior service area adjacent to building structure with proper clearances maintained. Routed refrigerant lines along foundation with appropriate insulation protection using yellow foam covering to prevent heat transfer and condensation issues. Installed condensate drainage system utilizing white PVC piping with proper pitch to ensure gravity drainage away from equipment and building foundation. Secured condensate line with appropriate hangers and fittings including connection points marked for future service reference. Ran electrical wiring and low-voltage control cables from indoor air handler to outdoor unit, securing all conductors to prevent damage and ensure code compliance. Verified all refrigerant connections are leak-free and properly torqued to manufacturer specifications. System positioned

Installed a 40-gallon tanked water heater in basement utility area of commercial office building per approved specifications. Connected all necessary copper supply and discharge piping, ensuring proper venting and code-compliant installation alongside existing water heating equipment.

Responded to service call for water accumulation around furnace in garage area. Upon arrival, found extensive water pooling on concrete floor surrounding HVAC equipment and damaged reflective insulation on vertical ductwork with significant deterioration and peeling. Inspected 18-year-old heating system, condensate drain line, PVC piping, and galvanized drip pan for source of water leakage. Documented conditions showing moisture patterns throughout mechanical room area, damaged fiberglass insulation material, and water staining on floor surfaces. Evaluated condensate pump assembly, drain connections, and air handler unit with blue filter compartment to identify cause of water intrusion affecting garage space.

Responded to service call for air conditioning system blowing air but not cooling, with indoor temperature reading 77°F. Performed comprehensive system evaluation and diagnostic assessment of existing HVAC equipment. Inspection revealed aging system with deteriorated refrigerant line penetrations through foundation wall, showing significant corrosion on copper piping and compromised wall integrity at pipe entry points. Observed galvanized ductwork with rust staining and signs of long-term moisture exposure in basement mechanical space. System assessment confirmed loss of cooling capacity with airflow present but no temperature reduction. Provided detailed estimate for complete HVAC system replacement due to age and condition of existing equipment, including new air conditioning unit, associated refrigerant lines, and necessary infrastructure upgrades to address deteriorated components and ensure proper system performance.

Responded to no cooling complaint with system blowing air but not cooling, indoor temperature reading 77°F. Performed diagnostic evaluation on outdoor condensing unit located in side alley between buildings. System age undetermined but suspected to be over 10 years old based on equipment condition and configuration. Assessed compressor operation, refrigerant levels, electrical components, and airflow at outdoor unit to identify root cause of cooling failure.

Responded to master bathroom water leak complaint involving toilet supply line and shower. Upon inspection, accessed plumbing through wall opening to examine drain configuration and P-trap assembly. Assessed leak sources at toilet supply connection and shower plumbing system. Documented conditions via photography showing drain assembly behind wall access point and ceiling area above cabinetry where moisture intrusion was evaluated. Water remained on during inspection as leaks were not causing active damage at time of service.

Completed one-time planned maintenance on 12-year-old HVAC system. Performed standard system diagnostics and utilized refrigeration diagnostic chart to verify proper system operation across all parameters including charge levels, airflow conditions, and component function. System found operating within normal specifications with no deficiencies noted.

Successfully completed installation of Lennox ML13KC1-030 air conditioning condenser unit with CK40CT-30B coil and T4 thermostat. The outdoor condenser was positioned on a gravel bed with proper pad placement for drainage and equipment stability, with all electrical connections completed and system tested for proper operation.