Heater won't fire, no spark
Bad ignitor rod, failed hot surface ignitor, or a fouled flame sensor. Salt air corrodes these parts first on coastal pads. We carry Pentair and Jandy ignitors on the truck for same-day swaps.
7 Pool Heater Repair Problems and How to Troubleshoot Each One
My furnace was not working to heat my jacuzzi, your heater throws an error code, or the water never reaches set temperature. This pool heater repair guide walks Long Beach owners through diagnostic steps, error codes, salt-air failure modes, and a local cost band. It's hard to find a company you can fully trust on a heater quote, so we publish what we charge.
How do I diagnose a pool heater problem?
Run this 5-step flow before calling a pro. It catches most simple faults in under fifteen minutes.
- Confirm the thermostat reads above current water temperature.
- Backwash or clean the filter, then watch the return jets for full flow.
- Read the error code on the display and write it down.
- Inspect the gas supply valve, pilot, and breaker for the unit.
- Power the unit off for thirty seconds and reset.
If the heater still won't fire after these five steps, the failure is usually the ignitor, pressure switch, gas valve, or heat exchanger.
The six failure modes we see most often on Long Beach heaters
Pool heaters fail in predictable patterns. Six failure paths cover most Long Beach pool heater repair calls on Pentair MasterTemp, Raypak Digital, and Jandy LXi units.
Error code E01, ignition failure
The unit tries to light, the ignitor glows, the burner never catches. Usually a weak gas supply, a fouled flame sensor, or a failed ignition module. The Pentair MasterTemp and Raypak Digital show this code first on a cold morning.
Error code E05 or E06, pressure switch open
The pressure switch reads low water flow and locks out the burner. Dirty filter, partly closed valve, scaled heat exchanger, or a failed switch. We check filter pressure first, valve positions second, switch continuity third.
Heater fires, then shuts off in thirty seconds
High-limit thermostat trips on a brief overheat. Low water flow, scale buildup in the copper exchanger, or a dying limit switch. Coastal pools see this pattern when scale and salt air stack on the same exchanger.
Low BTU output, water never reaches set temp
Failing gas valve, low gas supply pressure, or undersized supply line. The unit fires but the heat rise stays below 8 degrees per pass. We measure inlet pressure under load before quoting parts.
Heat exchanger corrosion, galvanic or salt-air
Cracked header, leaking copper tubes, or visible green oxidation. Coastal Long Beach pools see this 2 to 3 times faster than inland units. A cupronickel exchanger upgrade extends life when the cabinet is still sound.
What pool heater error codes E01, E05, and E06 actually mean
The codes vary slightly across manufacturers, but the underlying fault paths repeat.
E01 ignition failure on Pentair MasterTemp and Raypak. Ignitor, flame sensor, gas supply, or ignition module.
E05 pressure switch open on Jandy LXi and similar. Low water flow, dirty filter, closed valve, or failed switch.
E06 stack flue or pressure switch on Pentair MasterTemp. Blocked exhaust, fouled stack flue sensor, or pressure switch fault.
AGS lockout on Pentair MasterTemp. Repeated ignition retries failed, manual reset required after fix.
SFS or IF lockouts on Jandy and Raypak. Stack flue sensor or ignition fault, owner's manual maps the code to the model.
bo / bd codes on Hayward Universal H-Series. Burner orifice or burner deck issue, often spider webbing or rodent damage.
How long should a pool heater last in coastal Long Beach?
Pentair MasterTemp and Raypak gas heaters typically last 7 to 10 years on a Long Beach pad. Inland pools stretch to 12 years on a well-maintained unit. Coastal pools fall to the shorter end of the range.
Heat pumps run 10 to 15 years on the same coastal exposure. The compressor and evaporator coils survive salt air longer than copper heat exchangers. AquaCal and Hayward HeatPro units we serviced in 2010 are still on routes.
The US Department of Energy guide on swimming pool heating covers the lifespan math in detail, including efficiency drop-off as a unit ages past year eight.
Why pool heaters fail faster on the Long Beach coast
Coastal Long Beach pools see specific failure patterns inland pools rarely hit:
Salt air pits ignitor rods and flame-sense probes 2 to 3 years sooner than inland.
Marine moisture rusts heat exchanger fins and burner trays on coastal pads.
Mineral-rich tap water scales the copper exchanger and chokes flow over time.
Spider webbing and rodent nests block burner orifices and gas-line ports.
Cupronickel heat exchanger upgrades add 4 to 6 years of life on coastal pools when the cabinet is sound.
When to repair vs replace your pool heater
The honest answer is age plus component cost. Below the threshold, we repair. Above it, we usually recommend replacement because the warranty math wins.
Heaters under 5 years
Repair every time. Most failures are ignitor, pressure switch, or flame sensor parts under $300.
Heaters 5 to 7 years, sound exchanger
Repair on single-component faults. Reassess if a second component fails within 18 months.
Heaters 8 to 10 years
Repair if the heat exchanger is clean. Replace if scale or corrosion shows on the tubes.
Heaters over 10 years on coastal pads
Replace. The energy savings on a new high-efficiency unit usually pay back inside 5 years.
Heat exchanger cracked or leaking
Replace the unit on coastal pools. Repair only if the rest of the cabinet is under 6 years old.
Repair quote over 50 percent of replacement cost
Replace. The warranty restart on a new unit beats stacking parts on an aging cabinet.
Cupronickel exchanger upgrade available
Consider it for coastal pools when the cabinet has 5 plus years of life left.
What does pool heater repair cost in Long Beach?
Diagnostic visit, $150 to $250
On-site diagnosis with gas pressure, water flow, amp draw, and ignition voltage tested at the heater. Written quote before any work. Diagnostic fee credits toward the repair when you proceed.
Ignitor or flame sensor replacement, $250 to $450
Hot surface ignitor, flame-sense probe, or thermocouple swap on Pentair MasterTemp, Raypak Digital, and Jandy LXi units. Parts on the truck for most jobs.
Gas valve or pressure switch replacement, $400 to $700
Gas valve, pressure switch, or high-limit thermostat replacement plus calibration. Includes a heat-rise verification before we leave the pad.
Full heater replacement, $2,500 to $4,500
New Pentair MasterTemp 400, Raypak Digital, Jandy LXi 400, or AquaCal heat pump installed and tested. Coastal pools may add $300 to $600 for cupronickel exchanger upgrade. Backed by a 5-year warranty on qualifying complete equipment installations.
Long Beach market range
$3,000–$9,500 installed
gas or heat pump · per
Adam's Pool and Spa Service repair vs. replace guide
Verified Google Reviews
What Long Beach pool owners say after a heater repair
"I recently had the chance to meet Adam, whose expertise exceeded my expectations. I was in the process of selling my home, and my furnace was not working to heat my jacuzzi. Adam diagnosed the furnace issue and recommended switching from a gas to an electric furnace. He explained the benefits of making this transition."
"My swimming pools pump stopped working. I was looking for a reliable and honest technician, luckily I stumbled across Adam. Booking was easy, he showed up on time and within a couple minutes or so he had figured out and corrected the issue. He also covered the fee since the issue was minute."
"Adam's Pool and Spa Service service was communicative, competitively priced, timely, and professional at every step of my pool filter and salt water chlorinator install. Adam explained every piece of equipment and how to maintain it in a way that I could understand."
Where we run pool heater repair calls in Long Beach
Adam's Pool and Spa Service is based in Long Beach and runs heater repair routes across every neighborhood plus surrounding LA County. Our service radius runs roughly 25 miles from 910 E 72nd Street.
Long Beach core
Owner-led heater diagnostics and same-day part swaps on Pentair, Raypak, and Jandy. See Long Beach.
Belmont Shore and Naples Island
Coastal heater calls, salt-air ignitor and flame-sense work, cupronickel exchanger upgrades.
Bixby Knolls and California Heights
Inland heater repairs, scale-driven high-limit faults, control-board replacements.
Lakewood and Lakewood Village
Mid-range coastal exposure, full pad rebuilds when the heater plus pump both age out.
Seal Beach and Cypress
LA County coastal and inland heater routes, heat pump capacitor work on AquaCal and Hayward HeatPro.
All service areas
Full LA County coverage map. See all locations.
FAQ
Frequently asked questions about pool heater repair
How do I diagnose a pool heater problem before calling a pro?
Run the 5-step flow at the top of this guide. Confirm the thermostat is set above water temperature, clean the filter for full flow, read the error code on the display, check gas supply and the breaker, and reset the unit for thirty seconds. Most simple faults clear inside fifteen minutes. If the heater still won't fire, the failure is usually the ignitor, pressure switch, gas valve, or heat exchanger.
What does error code E01, E05, or E06 mean on my pool heater?
E01 is ignition failure on Pentair MasterTemp and Raypak Digital. The ignitor, flame sensor, or gas supply is the usual cause. E05 is a pressure switch open on Jandy LXi and similar units, almost always a low water flow problem from a dirty filter or scaled heat exchanger. E06 on Pentair MasterTemp is a stack flue or pressure switch fault, often caused by blocked exhaust or a failing sensor. Write the code down before resetting.
Is my pool heater worth repairing if it is over eight years old?
Depends on the failed component. Heaters 8 to 10 years old with a clean heat exchanger usually get repaired when the failed part is under $500. Heaters with scale or corrosion on the copper tubes usually get replaced because the next failure is rarely far behind. Coastal Long Beach pools fall to the shorter end of the lifespan range. The repair vs replace pool heater page walks through the full math.
How much does pool heater repair cost in Long Beach?
A diagnostic runs $150 to $250 with a written quote before any work. Single-part repairs like an ignitor, flame sensor, or thermocouple run $250 to $450. Gas valve, pressure switch, or high-limit thermostat replacement runs $400 to $700. A full heater replacement runs $2,500 to $4,500 with the cupronickel exchanger upgrade adding $300 to $600 on coastal pools. Adam's Pool and Spa Service quotes about 20 percent under the local Long Beach market.
Why does coastal salt air kill pool heaters faster?
Salt air pits ignitor rods and flame-sense probes 2 to 3 years sooner than inland exposure. Marine moisture rusts heat exchanger fins and burner trays on coastal pads. Mineral-rich tap water scales the copper exchanger from the inside while salt air corrodes it from the outside. Coastal Long Beach pools in Belmont Shore, Naples Island, and Alamitos Beach see heat exchanger replacement 2 to 3 times faster than inland Bixby Knolls or Lakewood pools.
Can I replace the ignitor or pressure switch myself?
Ignitor swaps on a cool unit with the gas supply locked out are reasonable for a confident DIYer. Pressure switch and flame sensor work involves wiring, calibration, and a heat-rise verification we recommend a licensed pro handle. Anything involving the gas valve, gas line, or heat exchanger belongs with a licensed contractor with a C-53 California Pool Contractor License. The fix wrong can void the warranty or flood the cabinet.
How fast can someone respond when my pool heater is dead?
We call back every voicemail within 24 hours. That's the commitment on every Long Beach call. For heater failures, most diagnostics happen the next business day. Trucks carry common Pentair MasterTemp ignitors, Jandy LXi flame-sense probes, Raypak pressure switches, and high-limit thermostats so single-part fixes often finish on the diagnostic visit.
Book a Long Beach pool heater diagnostic
Call Adam's Pool and Spa Service for a heater diagnostic, an itemized quote, and a repair backed by post-repair service. We answer Monday through Saturday, 7 AM to 5 PM.
Related reading: residential pool heater repair · pool heater repair near me · repair vs replace pool heater · gas vs electric pool heater · most common pool repairs · commercial pool heater repair · residential pool repair service.
