Central heating equipment: Complete high-performance system with intelligent control and simplified installation

Compatible with GC135 GCV135 GC160 GCV160A GCV160LA GCV160LA0 GSV190A Compatible with HRB216 HRC216K2 HRC216K3 HRR216 HRR216K2 HRR216K3 HRR216K4 HRR216K5 HRR216K6 HRR216K7 HRS216 HRS216K1 HRS216K2 HRS216K3 HRS216K4 HRT216 HRT216K1 HRT216K2 HRZ216 HRS216K5 HRR216K9 HRG536 HRB476C HRX476C HRX426C HRX476 Mounting hole 11 mm (Compatible with 9 mm mounting holes), Can be used without secondary processing Easy to install and use, can be used to replace your old parts. Wear-resistant and durable, the edges are specially treated, smooth and safe.