Bosch Tankless Water Heaters

Off-Grid Models

No Electricity Required

bosch 330PN

330PN

Stock #1369

Product Features:

  • Piezo ignition system requires no electrical connection
  • 77%+ thermal efficiency
  • 74,900 BTU maximum input
  • 3.3 gallons per minute capacity at 35F degree rise

Bosch Therm330PN Installation Manual
Bosch 330PN Replacement Parts

bosch therm 520HN

520HN

Stock #1371
Product Features:

  • Patented Hydro-power ignition requires no electricity
  • 80%+ thermal efficiency
  • 117,000 BTU maximum input
  • 5.3 gallons per minute capacity at 35°F degree rise

Bosch Therm520HN Installation Manual
Bosch 520HN Replacement Parts

bosch 520 PN

520PN

Stock #1373

Product Features:

  • Piezo ignition system requires no electrical connection
  • 78%+ thermal efficiency
  • 117,000 BTU maximum input
  • 5.2 gallons per minute capacity at 35F degree rise

Bosch 520PN Installation Manual

Bosch 520PN Replacement Parts

On-Grid Models

Electricity Required

Bosch Therm 830ES

830ES

Stock #1381

Product Features:

  • 82%+ thermal efficiency
  • 175,000 BTU maximum input
  • 8.3 gallons per minute capacity at 35F degree rise
  • Minimum activation flow rate of 0.5 gallons per minute
  • Electronic ignition and patented burner design

Bosch 830ES Installation Manual
Bosch 830ES Replacement Parts