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Conbraco 1 1/2" Double Check

Conbraco 4A-107-T2 1-1/2" Bronze Double Check Assembly

Brand: Conbraco Industries
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$951.34
$713.51
SKU 4A107A2

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The Apollo®/Conbraco Model 4A-107-T2 1-1/2" Double Check assembly is a commercial-grade backflow preventer engineered for reliable potable water protection. Built from lead-free bronze with top-access modular check cartridges, this assembly balances durability with serviceability for irrigation and commercial plumbing applications.

  • Size: 1-1/2" nominal; connection: threaded FNPT suitable for standard plumbing fittings.
  • Durable lead-free bronze body with corrosion-resistant components and stainless-steel ball-valve shutoffs.
  • Top-access cartridges with captured springs, replaceable and reversible silicone seat discs for fast servicing.
  • Low head loss design and independently acting checks reduce pressure drop across the assembly.
  • Factory-tested and made in the USA; carries a 5-year Apollo factory warranty and meets common industry standards for double-check devices.
  • Includes testcocks, threaded protectors, and is suited for vertical or horizontal installation when code allows.

Contractors should follow local codes and the product Installation, Operation & Maintenance manual for testing and maintenance intervals. Product documents include the IOM and Submittal Sheet; contact technical support for certification copies or installation guidance.

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Frequently Asked Questions

What size and connection type does this assembly use?
Model 4A-107-T2 is 1-1/2" nominal with threaded FNPT connections for standard plumbing fittings.
How do you access internal check cartridges for servicing?
Top-access modular cartridges enable service without removing the body; cartridges have captured springs and reversible silicone seats.
What are the pressure rating and warranty length?
This assembly is factory-rated to 175 PSI and carries a 5-year Apollo factory warranty.
Is this double-check assembly suitable for irrigation systems?
Yes. It protects potable water in irrigation and commercial plumbing where local code permits double-check devices.

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