Part # 6200-101
Manufacturer Code R0054900
Teledyne Laars® / Waterpik® Bypass Assembly – 2" Headers (R0054900)
The R0054900 Bypass Assembly is a genuine Teledyne Laars® / Waterpik® replacement part for heaters with 2" headers. The current version includes multiple components for easier replacement and improved performance.
✅ OEM Replacement – Fits all Teledyne Laars® / Waterpik® heaters with 2" headers.
✅ Complete Assembly – Current version includes additional parts compared to the pre-2003 version.
✅ Durable Construction – Stainless steel rod and corrosion-resistant components.
✅ Restores Proper Flow Control – Helps maintain correct bypass function for efficient heater operation.
➡ Current Version Includes:
(1) R0011500 Bypass Valve Disc (marked “S0079500B”)
(1) S0074399 Bypass Valve Rod with Nut (SS rod, 3-3/4" long, threaded on one end only)
(1) S0069100 Bypass Cap
(1) R0011400 Bypass Cap Gasket
(2) Bypass Cap Bolts & Washers
➡ Special Note:
Bypass spring is not included—springs are specific to single BTU-size heaters.
Fits all 2" models.
Original (pre-2003) version only included valve disc and rod—other parts had to be ordered separately.
➡ OEM Part Number: R0054900
⚠ Important: Always turn off power and water to the heater before servicing. Verify your heater’s BTU rating to select the correct bypass spring (sold separately).