We’re here for you during this unprecedented time—call or order online for The Best Treatment.
Learn how USABlueBook is responding to COVID-19. View details >>
Part#: 51128
Weight: 26.4 lbs
Brand: Apollo

Apollo 4ALF Series Double Check Backflow Preventer‚ 2"‚ 4ALF118A2

  • Maintenance friendly modular check valve cartridges
  • Top-mounted test cocks for easy testing
Price: $793.95
- +
Need Help? Call 800-548-1234

These backflow preventers feature ball valves and strainer.

Materials‚ certifications & approvals: Materials: lead-free bronze body‚ access covers‚ ball valves and test cocks; glassfilled PPO™ (similar to Noryl™) check valve cartridges; silicon seat discs; 300-series stainless steel fasteners‚ springs‚ and ball valve handles. Certifications: ASSE 1015‚ CSA B.64.5‚ IAPMO. Approvals: USC-FCCCHR.

Combine Your Purchase With

2 Total Upsell Products
Combine Your Purchase With
Loading...
Loading...
Tech Specs
  • Overall Length (includes ball valve): 26-3/4"
  • Max working pressure: 175 psi
  • Max temperature: 180°F



Loading...