Watts CSM-91 2 1/2 - Part of the CSM-91 Series Egress System the in-ground material lifespan is

the in-ground material lifespan is over 100 years which typically is adequate for any project

80″ modular sections with mechanical interlock joints and integral rebar clips for rapid installation

then keep the top lifting straps out of the way while you place the grate into the drop inlet protection filter making sure to keep the grate below the top straps and above the bottom straps

the nylon channel drain grate

957RPDA Compatible Size Used On 8 IN Kit Contents Check Module O-ring

Watts CSM-91 2 1/2 - Part of the CSM-91 Series Egress System the in-ground material lifespan isThis 2 1 2 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units, providing a highly accurate flow measurement. It consists of ductile iron body construction, pressure differential readout ports on both sides of the valve, two interchangeable brass metering ports and drain ports on both sides of the valve, two check valves with gasketed caps, bronze valve stem and plug disc, multi turn adjustment handwheel, tamper