Jandy regulator stepdown replacement kit with metal housing and threaded side port

Jandy Regulator Stepdown Hi-E2, Replacement Kit | R0337300

$119.35
Sale price  $119.35 Regular price  $198.91
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Jandy regulator stepdown replacement kit with metal housing and threaded side port

Jandy Regulator Stepdown Hi-E2, Replacement Kit | R0337300

$119.35
Sale price  $119.35 Regular price  $198.91

Jandy · R0337300

Regulator Stepdown

Jandy R0337300 is the regulator stepdown identified in the manufacturer parts documentation.

Check the application

Jandy lists R0337300 for Hi-E2 220 and 350 heaters in the 2026 parts catalog.

Match the rating-plate model, serial number, fuel and installed configuration before ordering. A shared Hi-E2 name does not establish interchangeability with other heater families or every revision.

Service guidance

Heater installation and service require a qualified pool-heater professional. Follow the exact unit instructions, isolate power and gas before service, and never bypass a safety control.

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