Non-Return Valve - 15mm (½") product_diaphaghm assembly - 50mm "offers": { "@type": "Offer"

"offers": { "@type": "Offer"

Available in heights from shrub to 30 cm

double-pop feature that prevents debris from entering the nozzle

roundabouts

Configure watering schedules with 3 programs and 8 start times each

Non-Return Valve - 15mm (½") product_diaphaghm assembly - 50mm "offers": { "@type": "Offer"In line non return (check) valves prevent backflow in irrigation pipework, protecting the main water supply from contamination and preventing pump damage from reverse spin when power is interrupted. Available in a full range of sizes from 15mm to 50mm for installation at pump outlets, fertigation injection points and sub main branch points where flow reversal could cause system damage or health hazard.