Supply Of Repair Kit Of M/s. Eversure Make Air Flow Relay For Qvmt, Qvrh, Qvsl & Qvsi Application Consisting Of-- - (a) Diaphragm Pressure Adjustment Assembly With Switch Operating Knob & Spring Complete For Use In Qvsl, Qvrh Relays (qty.= 3 Nos/set). (b) Diaphragm Pressure Adjustment Assly. With Switch Operating Knob & Spring Complete For Use In Qvmt Relay (qty.= 2 Nos/set). (c) Diaphragm Pressure Adjustment Assly. With Switch Operating Knob & Spring Complete For Use In Qvsi Relay (qty.= 2 Nos/set). (d) Complete Diaphragm With G.f. Nylon Centre Disc & Gasket Ring For Use In Qvsl, Qvrh Relays (qty.= 3 Nos/set). (e) Complete Diaphragm With G.f. Nylon Centre Disc & Gasket Ring For Use In Qvmt Relays (qty.= 2 Nos/set). (f) Complete Diaphragm With G.f. Nylon Centre Disc & Gasket Ring For Use In Qvsi Relays (qty.= 2 Nos/set)