Functioning as a high-limit safety

whereas plumbing standards use nominal sizing (5/8")

ensuring the compressor remains protected regardless of when the interruption occurred

ensuring the timing and electrical characteristics match the original equipment manufacturer’s requirements for condensing units and furnaces

You should verify your compressor's wiring diagram to ensure compatibility with Secop 103N0026 specifications

Watts 0887709 Repair Kit Functioning as a high-limit safetyThe Watts 0887709 (RK 800M4V) is a professional grade pressure vacuum breaker vent float kit designed specifically for the 1 2" and 3 4" 800M4 series backflow preventers. Engineered for field reliability, this factory replacement kit allows technicians to address discharge from the vent or failure to seal during low pressure conditions without replacing the entire assembly. The components are manufactured from high impact, corrosion resistant