15mm x 10mm Pushfit Radiator Valve Black Reducing Couplers Stem Comp` x 2

For reducing 15mm radiator valves straight down to 10mm pipe work. STC1-B Black 15mm x 10mm Stem Coupler (Pair). Size: 15mm male x 10mm female. Optimal Performance: Designed to reduce 15mm thermostatic and manual radiator valves to 10mm, it ensures that your heating system functions optimally and efficiently.

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