BrassCraft PSC1083 K5 Safety Plus Gas Installation Kit for Range Furnace and Boiler 5/8 In. OD x 48 in. length corrugated stainless-steel gas connector with ProCoat coating to withstand prolonged exposure to harsh household chemicals Safety+PLUS Excess Flow Valve protects against gas fires and explosions - 3/4 In. MIP (with 1/2In. FIP tap) connection to gas supply or gas ball valve Includes multiple steel fittings to fit most gas appliance inlets: 1/2In. MIP (with 3/8In. FIP Tap) fitting & 3/4In. MIP (with 1/2In. FIP Tap) fitting Fits all current and most older five to six burner ranges, furnaces and boilers Temperature rating: 32 Degree to 150 Degree F. Pressure rating: 1/2 psi certified