December 3, 2023

Your h2o heater is in all probability the most vital portion of your residences plumbing procedure. A thoroughly taken care of heater can final from ten to fifteen yrs or far more. But, a heater not effectively preserved can fail in four to 6 yrs. The affliction of the consuming water in your region and the area of the heater in your household are out of your manage, but good maintenance of the heater and your plumbing system is crucial to heater longevity and security.

This article provides you a checklist of objects to test for each tank type and tankless drinking water heaters. As you go by means of the ways in checking your heater, if you have the slightest doubt in your means, get a qualified, licensed plumber involved! You are dealing with scorching drinking water, pure fuel, and electrical power!

Tank Form Drinking water Heater Upkeep:

Vent (Fuel Drinking water Heaters Only)

  • The vent ought to be the identical diameter as the draft diverter on the heater tank.
  • The vent really should go typically “up and out” the ceiling.
  • Where by is passes by the exterior wall, the vent must be double-walled.
  • Vent sections should really be screwed alongside one another with a minimal 3 screws for each portion.

Take note: Poor vent pipe connections can slide aside and guide to carbon monoxide poisoning, the silent and deadly gas!

Temperature & Tension Aid Valve (T&P Valve)The T&P valve is created to avoid the heater from exploding if the drinking water strain or temperature exceeds safe limits.

  • Pull up the take care of on the valve and h2o ought to stream out and halt when you allow go of the take care of.
  • The T&P valve has a drain line that should really go down to about 6″ from the ground or be plumbed outside your residence.

Take note: Water leaking out of a T&P drain line can signal a undesirable T&P valve, high drinking water tension, or a malfunctioning thermal growth unit.

Water Force (All Drinking water Heaters)

  • Water strain around 80 lbs . for every square inch (psi) can harm heaters and your piping. It can also destruction plumbing appliances, bathrooms, and your fixtures.

Notice: Just one giveaway that your have significant drinking water stress is when the T&P Valve on the heater begins opening and closing.

Outer Water Heater Metallic Shell & Plumbing Fittings

  • Examine the heater outer sheet metallic shell for leaks or rusting.
  • Inspect the plumbing fittings on the heater for corrosion, rust, or drinking water spotting.

Notice: Rusty fittings or discolored shell is a telltale signal that a leak is existing!

Temperature Management

  • Inspect the heater temperature manage dial to insure its set at the suitable water temperature.
  • The best h2o temperature is 120° Fahrenheit.

Notice: Anything over 120° Fahrenheit tremendously raises scalding threat, electricity use, and sediment build-up in the base of the heater!

Combustion Chamber (Fuel Drinking water Heaters)

  • Transform the gasoline valve command to “pilot placement”.
  • Remove the outer accessibility hatch or address on the side of the heater.
  • Examine the roof of the chamber for weighty rusting, drinking water marking, or pitting.
  • Return the fuel valve regulate back again to the “on posture”.

Notice: Black soot in the combustion chamber usually means drafting issues, combustion difficulties, fume complications, and a fireplace hazard!

Pedestal Base (Gas Drinking water Heaters)

  • Make absolutely sure the pedestal base the heater rests on is stable and supports the device.
  • The regular pedestal will continue to keep the base of the heater at minimum 18″ off the floor.

Be aware: A newer h2o heater may possibly have a “filtered combustion chamber” that is supposed to solve the require for a pedestal. Check out the owner’s guide for your heater.

Drain Valve

  • Open up the drain valve to insure that mineral sediment, anode sludge, or rust has not clogged your heaters drain.

Drain Overflow Pan

  • If your heater is on the 2nd flooring higher than residing area it should have a drain pan.
  • The drain pan really should be plumbed to the outside of your residence.
  • Examine the condition of the drain pan, fittings, and piping to the outside the house.

Corrosive Fumes (Fuel Water Heaters & Tankless H2o Heaters)

  • Drinking water heaters draw air in for combustion and the high quality of the air is essential.
  • Corrosive liquids, ammonia, or acids saved close to a heater can direct to corrosive air.

Take note: Corrosive air drawn into the burner can prematurely corrode the heater.

Interior Tank Corrosion and Rust-The inner tank of your heater is created of steel and glass lined to avoid rust. Sacrificial anode rods are set up in the tank to defend the glass lined inside steel tank from rust. Aluminum/Zinc or magnesium anode rods corrode in excess of time and get used up through an electrolytic procedure.

Be aware: Replacing the anode rod can increase the existence of the heater but, ought to be performed by a qualified, professional provider technician.

Sediment Create-up-Sediment is established when tricky drinking water is heated. The construct-up of sediment in the base of the tank can bring about the base to overheat and soften absent the glass lining of the tank. It can drift into recirculating traces, jam open up test valves, and induce the recirculating pump to adhere until finally it burns out. Sediment build-up on the bottom of fuel h2o heaters encourages noisy procedure. The noise is brought about by tiny amounts of water less than the sediment layer turning into steam bubbles, which then collapse violently.

Take note: Sediment build-up can lower the power efficiency of the heater and void the warranty on some Household H2o Heaters!

Tankless Water Heater Servicing:

Flushing-Most tankless water heater producers endorse flushing the complete unit each 6 months to 1 year dependent on the drinking water good quality. Reference your manufactures suggestion for flushing. Flushing the device routinely gets rid of any mineral deposits (normally calcium or lime) that could have created up inside the boilers. Companies propose applying a utility pump to circulate 3 or 4 gallons of vinegar or one more lower-grade acid for 45 minutes to clean up out any deposits.

Note: Without the need of the good machines this can overwhelm a “Do-It-Yourselfer”!

Water Drain Valve

  • Periodically test the heater’s “in-line filter” to retain grime and particles from setting up up. The filter is a cylindrical screen.

Notice: Consult the manufactures directions for cleansing to keep away from damage owing to sizzling h2o.

Troubleshooting-If a fault happens with your tankless h2o heater, an mistake code will flash on the electronic display screen of the command panel.

Be aware: If any solution entails gasoline or energy, or you have any question about doing the cure oneself phone a qualified provider technician! Make absolutely sure he is educated of your model of heater, has the good applications to diagnose the difficulty, and has the parts to fix the device.