CPVC Female Sprinkler Head Adapter — 1 in. x 1/2 in. Reinforced Plastic Thread — Spears FlameGuard™ — 4235-130SR
The Spears FlameGuard™ 1 in. x 1/2 in. female sprinkler head adapter connects CPVC piping to sprinkler heads in wet fire sprinkler systems. Manufactured from fire-protection-grade CPVC, it offers strength, corrosion resistance, and long-term reliability. The reinforced plastic thread provides a secure, durable connection that resists cracking or deformation under installation torque. The socket end connects to CPVC pipe using ASTM F493-approved solvent cement for a watertight joint. UL Listed and FM Approved, this fitting complies with NFPA 13, NFPA 13R, and NFPA 13D. Rated for 175 psi and up to 150°F, it is ideal for residential and light-hazard fire protection systems.
Follow Spears FlameGuard™ installation instructions for pipe cleaning, solvent cementing, and sprinkler head attachment. Apply CPVC-safe thread sealant and tighten to the recommended torque. The reinforced threads maintain a reliable seal and prevent leaks under system pressure. This adapter provides a code-compliant, corrosion-resistant, and UL/FM-approved connection for CPVC wet fire sprinkler systems.
