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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Certifications & Compliance
FM Approved (varies by manufacturer)
and heavy-duty bolts
Upgrade your hot water system with the Navien NPE240S2-NG Tankless Water Heater
5" Grooved Flexible Coupling – Ductile Iron, UL/FM Approved HVAC Connector Certifications & Compliance5" Grooved Flexible Coupling UL FM Approved for Fire, HVAC & Industrial Piping This 5 inch Grooved Flexible Coupling is designed to provide a secure, flexible, and high strength pipe connection for fire protection systems, mechanical piping, HVAC loops, and industrial applications. Constructed from ductile iron with a corrosion resistant finish and fitted with a pre lubricated EPDM gasket, this coupling allows for vibration absorption, axial pipe
