Used to break down old gas and water connections and cut copper pipe cleanly for new fittings. A clean cut is the difference between a joint that holds for 20 years and one that weeps.
Tankless water heater covina CA done right the first time
If your old tank heater is limping along or you want endless hot water, our tankless water heater covina CA service covers installation, repair and descaling for homes across Los Angeles County.
Serving covina and nearby areas.
How big is the job?
Straight swap
Replacing an existing tankless unit where gas, vent and water lines already fit.
- 1. Repair or flush Descaling, filter clean-out, sensor or igniter replacement on an existing unit.
- 2. Straight swap Replacing an existing tankless unit where gas, vent and water lines already fit.
- 3. First-time install New gas line, venting and water connections planned in writing before work starts.
Drag the needle to compareTouch and drag the needle
- 30Services from one local team
- 20Areas served around covina
- Sized firstFlow rate measured before we quote
- Tested afterEvery tap run before we pack up
What our tankless water heater service includes
Every install and repair visit covers the work listed below.
Work order
Tankless Water Heater Services- Unit sizing and selection: We calculate the flow rate your home needs based on bathrooms, appliances and incoming water temperature, then recommend a Rheem, Navien or Rinnai unit that matches. No overselling a bigger unit than you need.
- Gas line and venting: We run or upsize the gas line to match the unit's BTU demand, install the correct venting for your install location, and pressure-test everything to Uniform Plumbing Code before firing the burner for the first time.
- Permit and inspection: We pull the permit through the city and meet the inspector on site. You get a copy of the signed-off permit for your records.
- Isolation valves and flush kit: Every install gets service valves and a flush kit so future descaling is a one-hour job instead of a partial teardown. It is a small add-on that saves real money on maintenance over the life of the unit.
- Old unit removal: We drain, disconnect and haul away the old tank or tankless unit. No leaving it on the curb for you to deal with, and no extra dump fee tacked onto the invoice at the end of the day.
- Walkthrough and settings: We set the outlet temperature to 120 degrees, show you the controller, and walk through the filter clean-out and descaling schedule. You leave knowing how to read the error codes and when to call us.
What the first visit covers
First visit
We measure incoming water temperature, check gas line size and vent routing, and confirm the flow rate your home needs.
Tankless work at Covina homes
From single-bath bungalows to five-bedroom homes in the hills.
Running out of hot water
Sized for your bathrooms and appliances.
Error codes and lockouts
Diagnosed and repaired with OEM parts.
Hard water scale
Descaling flush and softener options.
First-time tankless install
New gas line, venting and valves.
Tankless work at Covina businesses
Restaurants, salons, gyms and small offices with steady hot-water demand.
Restaurants
High-demand units for dish and hand sinks.
Salons and gyms
Multiple showers and stations on one system.
Small offices
Compact units for break rooms and restrooms.
What tankless water heater covina CA service covers
A tankless unit is sized once and lives with that decision for 15 years. Getting the flow rate, gas line and venting right at install is what keeps the hot water coming.
Tankless Water Heater Services is the sizing, installation, repair and maintenance of on demand water heating equipment - wall-hung units that heat water only when a tap or appliance calls for it. Instead of storing 40 to 50 gallons in a tank that reheats all day, a tankless unit fires the burner on demand and pushes hot water through a copper or PEX line to your fixtures. We handle gas connections, venting, condensate lines, isolation valves and the water heater installation itself.
Covina homes run into the same handful of issues: hard water that scales the heat exchanger, older gas lines sized for a tank, and 1950s-era garages with no room for a bigger unit. We see it in Charter Oak, Sunset and Covina Hills every week. If you are searching for a tankless water heater near me covina, we scope the job, pull the right permits, and leave you with hot water you do not have to schedule around.
- What it is
- Wall-hung water heating that fires only when a tap calls.
- When it helps
- When a tank runs out, rusts out or drives up gas use.
- What you get
- Endless hot water, lower standby losses, more floor space.
How our tankless installation process works
From the first call to the final hot-water test, here is exactly what happens when we install or service a tankless unit in your Covina home.
Tools and methods we use
Each method answers a different question. Together they leave very little to guess.
For copper pipe joints we sweat with a torch; for PEX tubing we use a crimping tool and the correct rings. Both methods meet Uniform Plumbing Code when done right.
Electronic leak detection gear finds hidden slab leaks and gas leaks that a visual inspection would miss. We use it before opening walls or cutting concrete.
When a drain line is scaled or greasy, hydro jetting clears the pipe wall back to bare metal. We often run it in the same visit as a water heater install.
A RIDGID sewer camera lets us see inside the line before we quote a repair. We record the footage and share it with you so you can see exactly what we see.
When Covina homeowners call us
A 1960s Covina ranch home with a 40-gallon tank in the garage that runs out of hot water every morning.
We size a condensing tankless unit for the home's three bathrooms, upsize the gas line from half-inch to three-quarter-inch, and mount the…
HomesA Charter Oak homeowner whose tankless unit started throwing an error code after five years of no maintenance.
We descale the heat exchanger, replace the flow sensor and inlet filter, and set up an annual maintenance schedule so it does…
HomesA Downtown Covina duplex owner who needs both units replaced and wants to keep tenants in place during the work.
We stage the installs on separate days, run the gas lines and venting for both units, and coordinate with the tenants so…
BusinessesA Sunset homeowner with hard water who is tired of descaling the tankless unit every six months.
We install a water softener upstream of the tankless unit and tie it into the existing supply line, then set the softener's…
HomesA Covina Hills property manager with a tankless unit that keeps locking out on cold winter mornings.
We check the vent termination for blockage, verify the condensate line is draining, and adjust the unit's freeze protection settings for the…
Businesses
How tankless service runs in Covina
Covina sits in the San Gabriel Valley with hard water at 10 to 15 grains per gallon, groundwater that runs 55 to 65 degrees in winter, and a housing stock that ranges from 1920s bungalows near Downtown Covina to 1980s builds in Covina Hills. That mix matters for tankless work.
Downtown Covina
Older bungalows and small commercial buildings with tight utility closets. We often mount the tankless unit on an exterior wall to free up interior space.
Charter Oak
Mid-century ranch homes with garages that were never sized for a tankless unit. Gas line upsizing is common here.
Covina Hills
Higher elevation means colder overnight temperatures. We check freeze protection settings and condensate drainage on every install.
- Downtown Covina
- Charter Oak
- Covina Hills
- Sunset
- South Hills
From problem to finished result.
Slide to compare the photo with an illustrative inspection view. It is generated from the photo, not a measurement.
Photo40-gallon tank to Navien tankless
Before: A Charter Oak family of five was running out of hot water every morning. The 40-gallon tank was 11 years old, rusting at the base, and reheating constantly in a hot garage.
After: We installed a Navien condensing unit, upsized the gas line, and set the outlet to 120 degrees. The family now runs two showers and the dishwasher at once. Gas use dropped about 18 percent over the first two months.
Scaled heat exchanger brought back
Before: A Sunset homeowner's tankless unit was throwing an error code and running lukewarm after five years with no maintenance. The inlet filter was clogged and the heat exchanger had visible scale.
After: We descaled the exchanger, replaced the flow sensor and inlet filter, and verified flow at every fixture. The unit returned to full temperature and the error code cleared.
Duplex tankless swap in one week
Before: A Downtown Covina duplex owner had two failing tank heaters, tenants in both units, and a tight timeline before a rental inspection. The gas lines were undersized for tankless.
After: We staged the installs on separate days, upsized both gas lines, and ran new venting. Both units were on the wall within a week, permits signed off, and no tenant lost a full day of hot water.
Tankless problems we fix in Covina
Most tankless calls come down to scale, gas supply or a failed sensor.
Unit runs cold or cycles on and off
You get lukewarm showers and the burner short-cycles, which wears out the igniter and heat exchanger faster than normal use.
Error code on the controller
The unit locks out and you have no hot water until it is cleared. Some codes point to a simple fix, others mean a failed component.
Water is hot then goes cold mid-shower
Usually a flow-rate problem - the unit is sized right but the incoming line cannot deliver enough volume, or a fixture is pulling too much.
Hard water scale choking the heat exchanger
Covina water runs 10 to 15 grains per gallon. Scale insulates the exchanger, drives up gas use, and shortens the unit's life by years.
Gas smell or burner will not light
A gas leak near the unit is a safety issue. A burner that will not light usually means low gas pressure or a blocked orifice.
Why homeowners switch to on demand
A tankless unit changes how your house makes hot water.
Endless hot water
Run the dishwasher, the laundry and two showers at once.
Lower gas bills
Standby losses on a tank heater waste 10 to 20 percent of the gas you pay for. Tankless units cut that.
15 to 20 year lifespan
A tank heater lasts 8 to 12 years. A tankless unit with annual descaling runs 15 to 20.
Frees up floor space
A wall-hung unit clears the closet or garage corner your tank was eating.
What you get in writing
Clear records you can keep and share.
Sizing worksheet
Flow rate and gas demand calculated for your home.
Line-item quote
Unit, gas, vent, valves, permit and labor.
Permit record
Signed-off copy for your files and resale.
16 years of tankless work in Los Angeles County
Covina Citrusline Plumbing has been installing and servicing tankless systems since 2010.
Incoming water temp
Measured at the tap to size the unit for winter conditions.
Gas line size
Checked at the meter to confirm the unit gets its BTU demand.
Vent run
Measured for length and termination type before the unit is mounted.
Do we cover your area?
Type your ZIP code or town. If you are near covina, we likely cover you. Ask if unsure.
covina ZIP codes
- 91724
- 91722
- 91723
Towns we serve.
Based in covina and covering the places around it. Pick one for local details.
What Covina customers say
Our old 50-gallon tank died on a Friday and we had family coming Saturday. Covina Citrusline had a Navien unit on the wall by 4 p.m. the same day. They upsized the gas line, pulled the permit, and tested every tap before they left. No more cold showers when the washer runs.
We had a Rheem tankless unit throwing an error code every few weeks. The tech descaled the heat exchanger, replaced the flow sensor, and showed me the calcium that came out. That was two years ago and it has not skipped since. I have them out every spring for the flush.
I manage four rentals in Covina and use them for all the water heater work. They quote in writing, show up when they say, and the tenants stopped calling me about hot water. The last install was a Bradford White tankless in a tight laundry closet and it fit perfectly.
Frequently Asked Questions
Short answers for the first few minutes. The team can cover the rest.
Still have a question?
Describe what you are seeing and we will point you to the right next step.
(626) 767-2111A straight swap where the gas line is already sized lands at the low end. If we have to upsize the gas line or run a longer vent, expect the higher figure.
For most Covina households, yes. You stop running out of hot water, the unit lasts 15 to 20 years instead of 8 to 12, and the gas savings add up over a decade. If you are selling next year, a tank replacement is the cheaper call.
A tankless unit in Covina lasts 15 to 20 years with annual descaling. Our water is hard - 10 to 15 grains per gallon in most of the San Gabriel Valley - so scale builds on the heat exchanger faster than in softer-water cities. Skip the descaling and you can cut that lifespan to 8 or 10 years.
Yes. Plan on a descaling every 12 months, and a filter clean-out every six. The descaling flush takes about an hour and removes the calcium that chokes the heat exchanger. We also check the igniter, the flow sensor and the vent during the visit.
Get your tankless water heater covina CA quote today
(626) 767-2111Call Covina Citrusline Plumbing for a same-day estimate on installation, repair or descaling.
Contact Covina Citrusline Plumbing
Call us at (626) 767-2111 or email [email protected]. For non-emergency work, we schedule same-day or next-day appointments. Our office is in covina, and we serve all of Los Angeles County.