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Jandy

Jxi Heater

Gas Heater

Manual-backed spec and service reference for Jandy Jxi Heater. Covers gas heater installation, operation, specifications, maintenance, and troubleshooting details from the source manual.

Jandy Jxi Heater
399,000 BTU/hr
BTU Capacity
Natural Gas or Propane
Gas Type
120 VAC
Voltage
100 GPM
Max Flow
30 GPM
Min Flow

Specifications

Heating
BTU Capacity399,000 BTU/hr
Gas TypeNatural Gas or Propane
Filtration
Max Working Pressure50 PSI
Electrical
Voltage120 VAC
Frequency60 Hz
Performance
Min Flow (GPM)30 GPM
Max Flow (GPM)100 GPM
Certifications
CSA CertifiedYes
UL ListedYes

Pros & Cons

Pros

  • Manual lists 399,000 BTU/hr BTU capacity for sizing.
  • Manual supports Natural Gas or Propane configurations.
  • Manual includes filter specifications for service and replacement checks.
  • Manual lists CSA, UL certification.

Watchouts

  • Requires confirming 120 VAC supply before service.
  • Water flow must stay within 30-100 GPM.
  • Pressure or flow restrictions are a common manual troubleshooting check.
  • Electrical wiring, bonding, breaker, or voltage checks may be required.

Error Codes & Troubleshooting

Troubleshooting
Source manual includes troubleshooting or diagnostic procedures.
Pressure
Check pressure, flow, valves, baskets, and filter condition per the manual.
Electrical
Verify supply voltage, wiring, bonding, and controls before service.
Flow
Verify adequate water flow and clean restrictions before replacing parts.

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