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OEM Raypak UG Bypass Assembly Kit 018758F is a genuine replacement part designed for use in Raypak pool heaters, specifically models 336 through 408. This assembly ensures stable water flow and precise temperature control within the heater, protecting internal components and improving overall heating efficiency. Built from heat- and corrosion-resistant materials, the kit includes all required hardware for a complete installation. Replacing a faulty bypass assembly with this OEM kit helps maintain your heater’s reliability and long-term performance under demanding pool conditions.
Highlights
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Exact OEM Fit: Designed for Raypak pool heaters 336 through 408 for reliable integration and trouble-free performance.
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Improves Flow Regulation: Maintains optimal water flow and stable temperatures to prevent overheating and prolong component life.
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Complete Kit Contents: Includes all necessary parts for proper installation and quick restoration of heater function.
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Durable Construction: Made from high-quality, heat-resistant materials that withstand pressure and pool chemical exposure.
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Supports System Efficiency: Helps preserve heater performance by restoring correct water bypass operation using original Raypak components.
Compatibility
- Raypak Digital ASME 336-408 Pool Heaters
Additional Info
Heater Overheating or Inconsistent Temperature
raypak 408 heater shutting off due to overheating
water temperature not stable — bypass assembly issue
heater too hot to touch — need new 018758F bypass
pool not heating evenly — bypass valve might be stuck
fix heater temp problems with walk-in part replacement
Part Cracked or Not Regulating Water Flow
bypass assembly cracked — leaking water in heater
flow sensor errors showing on raypak digital panel
heater not firing — governor bypass stuck
install 018758F to fix low flow or thermal shutdown
bring your heater model in to match the right part
In-Store Pickup for Quick Repair
buy 018758F bypass assembly kit in store today
walk in to get bypass part for raypak 336-408 heater
part available locally for same-day heater repair
in-stock kit includes everything needed for install
fix heater flow and temperature today — visit store
Diagram
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