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Conbraco 2" Double Check

Conbraco 4A-108-T2 2" Double Check Valve Assembly

Brand: Conbraco Industries
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$1,107.72
$830.79
SKU 4A108A2

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Conbraco/Apollo DC4A and DCLF4A series 2" double check valve backflow preventer assembly designed for irrigation, commercial, and industrial potable water protection. Bronze body construction and service-friendly design make routine testing and maintenance straightforward.

  • Nominal size: 2" - bronze body (C89836), SAE threaded test cocks available.
  • Pressure rating: 175 psi; temperature range approximately 33-180 F for standard elastomers.
  • Top-access modular check cartridges with captured springs, replaceable seats, and reversible silicone (chloramine-resistant) seat discs.
  • Ball valve shutoffs with stainless steel handles and nuts; low pressure loss and compact footprint.
  • Certifications and compliance: NSF/ANSI 61; meets common industry standards for backflow prevention.

This assembly is designed, cast, machined, assembled and tested in the USA and carries the Apollo five-year factory warranty. Download the IOM and submittal sheet linked on the product page for dimensions, installation guidance, and service parts information.

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Frequently Asked Questions

What is the nominal size and connection type?
Nominal size is 2" (two-inch). Typically supplied with SAE threaded test cocks (SAE connection) for standard installations.
What material is the body and is it lead-free?
Body is bronze (C89836). Product is offered in DC4A (standard) and DCLF4A lead-free variants where required.
How do I service the valve for testing or repair?
Top-access modular cartridges with captured springs allow in-line servicing and seat replacement without removing the body.
What pressure rating and warranty does this assembly carry?
Rated to 175 psi with standard elastomers to ~33–180°F. Covered by Apollo's five-year factory warranty.

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