Green Guru LLC — Irrigation & Landscape Lighting

(248) 790‑0571 8 AM - 5 PM (M-F) 9 AM - 2 PM (Sat)

Backflow Service Parts

Febco 765 Air Vent Kit

A service-first guide to common leaks and repair paths for Febco 765 PVB assemblies (OEM parts under the Watts umbrella).

Leak diagnosis Freeze damage paths OEM parts Scope confirmed on-site

When this part matters

  • Water leaking/dripping at the air vent assembly
  • Intermittent weeping after startup or after shutdown
  • Float/seat issues causing poor sealing
  • O-ring degradation from age, debris, or freeze events

Repair paths we’re prepared for

  • O-ring replacement
  • Float replacement
  • Bonnet/bridge replacement (when damaged or warped)
  • OEM replacement parts sourcing (Watts / Febco)
Scope note: This is a parts guide. Backflow work may be regulated depending on jurisdiction and device type. We'll confirm site conditions and scope before service.

Availability

We confirm fit and compatibility during service and can supply or install owner-supplied hardware.

At a glance

Febco 765 facts
IndustryIrrigation
ConceptPressure vacuum breaker (PVB) air vent repair part
Brand / ManufacturerFebco (Watts)
Series / ModelFebco 765
FitsFebco 765 pressure vacuum breaker (PVB) assemblies
Service fitStartup & Inspection, Tune-Ups & Repairs

Need us to diagnose it?

If the device is leaking, we can identify the assembly and confirm the correct parts during a visit.

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Related: Tune-Ups & Repairs