A.D. NAYLOR CONTRACTING
SINCE 1884

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Services

Today's service technicians have the undaunting task of having to keep up with all of the different types of plumbing, heating / cooling , radon, and water treatment systems, the different brands, the changing and new technology, and the introduction of solid-state electronics.

Our service staff is perhaps the most highly trained and qualified group of technicians in the industry. Unlike many other companies, our service technicians will work on just about every type of equipment. That is why they are constantly upgrading their skills by attending seminars, schools, training classes, viewing video training tapes, and reviewing manufacturer's service manuals. They attend regular meetings to discuss problems in the field and ways to solve and improve the problems, which ultimately benefits our customers.

All of our service trucks are radio-dispatched and we cover a radius of 40 miles from Oakland. A plumbing specialist, a heating specialist, and a Culligan specialist are on call, 365 days a year, to handle emergency problems.




Annual Maintenance Contracts
Oil Burner Maintenance
Gas Burner Maintenance
Central Air Conditioning Maintenance
All Brands Serviced
EPA Certified
Heat Pump Service
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Inspection Plans & Maintenance Contracts

We offer annual Oil Burner Maintenance Agreements during the summer months. Any repairs are extra.

OBM:
  • Check pump pressure
  • Check pump cut-off pressure
  • Check ignition transformer voltage
  • Check primary control
  • Check combustion air wheel
  • Check retention head for cracks & carbon
  • Change nozzle
  • Change oil filter cartridge
  • Cycle the unit to check oil pressure & check for leaks
  • Check blower belt & circulator coupling
  • Check air filter
  • Check type of expansion tank
  • Check for antifreeze
  • Check oil tank for water
  • Check for combustion air
  • Check the service switch
  • Check high limit switch
  • Perform an Efficiency Test


  • Maintenance Agreements for Gas Burners & Central Air Conditioning Units are also performed during the summer months.

    Central Air Conditioning:
  • Check air filters
  • Check cooling position
  • Check blower wheel
  • Lubricate blower motor as required
  • Check blower belt & bearings
  • Check blower speed
  • Inspect for loose parts or unusual vibrations
  • Check indoor temperature
  • Check evaporator coil
  • Check temperature drop across evaporator coil
  • Check evaporator superheat
  • Check & clean condensate drain & trap
  • Check condensate pump
  • Clean & inspect condensor coil
  • Lubricate condensor fan motor as required
  • Check temperature across condensor coil
  • Inspection for refrigerant leaks
  • Check electrical circuit & control wiring
  • Check starting contactor contacts
  • Check voltage & amperage to all motors & switches
  • Check pressure switch cut-out settings
  • Check if condensor pad is level
  • Check total system operation
  • Check for adequate refrigerant charge
  • Check pressures
  • Clean & check indoor thermostat


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