**Merrill CVNL125 1-1/4" No-Lead Brass Check Valve** prevents backflow to protect your water well pump, irrigation system, or plumbing from reverse flow damage. This heavy-duty 700 Series check valve delivers reliable one-way flow control with 200 PSI working pressure and 190°F max temperature rating. **Key Benefits** Engineered for maximum durability in demanding water systems, the CVNL125 features premium no-lead brass construction that's NSF 61/372 certified for safe potable water use. The innovative **no-spin poppet design** eliminates wear while the **abrasion-resistant O-ring** creates a drip-proof seal against a self-cleaning tapered seat. **Superior Construction** No-lead brass body - Safe, compliant, corrosion-resistant Stainless steel spring & lock nut - Resists rust in harsh water conditions Delrin guide bearing - Ensures whisper-quiet, smooth operation No-spin poppet - Prevents spinning damage, extends valve life 3X longer **Universal Installation** **Works perfectly in ANY position** - vertical, horizontal, or angled. Ideal for submersible pumps, jet pumps, irrigation lines, pressure tanks, RO systems, and whole-house plumbing. Rated **200 PSI working pressure** and **190°F maximum temperature**. Precision-machined for drop-in replacement of foot valves, inline check valves, and pump check valves in residential, farm, and commercial water systems. **Trusted Merrill Manufacturing quality** - For well drillers, plumbers, irrigation contractors, and DIY homeowners demanding leak-proof, long-lasting backflow prevention.