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Layton, UT · Conversion

Tank to tankless conversion.What changes when a Layton home moves from a water heater tank to tankless.

A tankless conversion is a small project, not a swap. Gas, vent, and water all change.

  • Gas line
  • Venting
  • Condensate
  • Descaling

Background: Photo: Mcloward, Wikimedia Commons, CC BY-SA 4.0.

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Quick answer: A tank to tankless conversion in Layton usually means a larger gas line, a new listed vent, a condensate drain for condensing units, and isolation valves for descaling.[1] Hard Weber Basin water still scales the unit.[2] Plan on a permit.[3]

What changes in a tankless conversion.

1. Gas supply

Tank burners are small. Tankless burners are large. The line from the meter, and sometimes the meter itself, has to carry the new load.[1]

2. Venting

Tankless units vent through their own listed pipe, often PVC for condensing units. The old metal flue may stay for the furnace or be capped.

3. Condensate

Condensing tankless units make acidic water. It needs a drain path and often a neutralizer.

4. Water

Isolation valves let the unit be flushed. With water at 10 to 18 grains per gallon,[2] that flush is routine care.

5. Space and power

The unit mounts on a wall and needs a 120-volt outlet for its controls. The old tank's floor space opens up.

Two Rinnai tankless water heaters mounted on a wall with copper piping
Photo: Behrat, Rinnai tankless water heaters. Wikimedia Commons, CC BY-SA 3.0.
Size it first. Use the calculator on the tankless water heater Layton UT page before you decide. A conversion only pays off if the unit keeps up in January.[4]

Altitude is part of setup too. Layton is about 4,459 feet up.[5] Many gas units list altitude settings in the manual.

Still deciding? See tank vs tankless.

Steps in a Layton tankless conversion.

  1. Size the unit. Count fixtures that run at once and set a winter rise.[6]
  2. Check the gas. Measure the run from the meter and the load of every gas appliance.[1]
  3. Plan the vent. Pick a wall or roof exit that meets the unit's clearances.
  4. Plan the drain. Condensing units need a condensate path, often with a neutralizer.
  5. Pull the permit. Layton takes permits and inspection requests online.[3]
  6. Remove the tank. Drain it, disconnect it, and haul it off.
  7. Mount and pipe. Add isolation valves for future descaling.
  8. Set up. Set the altitude option from the manual and the temperature.
  9. Test. Check gas pressure, combustion, flow, and temperature.

Is a tankless conversion worth it?

Often worth it when

  • You plan to stay for years, since tankless can last up to about 20 years[1]
  • Back-to-back showers run your tank cold
  • You want the floor space back
  • The gas meter and line can carry the load, or can be upgraded

Often not worth it when

  • You need hot water back today
  • The vent route is long or blocked
  • The budget points to a like-for-like tank

Neighbors in Kaysville will find a gas sizing upgrade checklist on their city's permit page.[7]

Not sure? Run the fit quiz on tank vs tankless, or start with water heater replacement in Layton.

FAQ

Tankless conversion in Layton: FAQ

Can any Layton home switch from a tank to tankless?

Most can, but some need more work than others. Gas supply, vent route, and wall space decide it. DOE's guideline on moving to tankless covers each one.[1]

Why does tankless need a bigger gas line?

A tankless burner fires hard for short bursts. A tank burner is much smaller. The gas line and meter have to carry the tankless load.[1]

What happens to the old vent?

A tank vent is usually not reused. Tankless units vent through their own listed pipe. The old vent may need to be capped or resized if a furnace still uses it.

Is a permit needed for a tankless conversion?

Plan on one. Gas line and vent changes are core permit items. Layton handles permits and inspections online.[3]

How long does a tankless conversion take?

Longer than a tank swap. Gas line and vent work add time, and the inspection follows.

Can the tankless unit go in the garage?

Sometimes. It depends on the vent route, freeze protection in the manual, and clearances. Utah winters make freeze protection worth asking about.

Will a conversion help with hard water?

No. Tankless units still scale up. With Weber Basin hardness of 10 to 18 grains per gallon,[2] plan on descaling.

Ready to go tankless?

Send your current tank details. Get a free conversion quote.

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Keep reading

Water heater replacement in LaytonGas and electric tanks, 40 and 50 gallon.Tankless water heater Layton UTSized for cold Wasatch Front winters.Water heater repair in LaytonWhat can be fixed and what cannot.Emergency water heater helpLeaks and no hot water, step by step.Water heater cost in LaytonCited ranges and what moves a quote.Tank vs tanklessSide by side, plus a fit quiz.Gas vs electric water heaterFuel, venting, and recovery.40 vs 50 gallon water heaterSize by first-hour rating.Warning signsLeaks, rust, noise, smell, and age.Service areasLayton plus seven nearby towns.

Sources

  1. U.S. DOE Building America: Measure Guideline, Transitioning to a Tankless Water Heater (PDF)
  2. Weber Basin Water Conservancy District: 2024 Consumer Confidence Report (PDF)
  3. Layton City: Building Division, Permits and Inspections
  4. ENERGY STAR Technical Bulletin: Demand Water Heaters (PDF)
  5. Wikipedia: Layton, Utah (elevation)
  6. PNNL / DOE Building America Solution Center: Gas-Fired Tankless Water Heaters
  7. Kaysville City: Building Permits
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