Discover the latest insights from the Plastics Pipe Institute on connecting plastic piping materials like CPVC, PE-RT, PEX, and PP to tankless water heaters. PPI's new Recommendation H provides essential guidance for plumbers and builders, addressing the critical question of direct connections without metallic flex connectors. With thorough research backing its findings, this recommendation highlights the proven capabilities of modern plastic piping systems. Learn how these materials can enhance your plumbing projects while ensuring compliance with local codes. Dive into the details and empower your installations with the latest industry standards!