Don't let the pressure get to your pipes. With this reducing coupling from GF Piping Systems, you can maintain optimal pressure and flow. This reducing coupling has a maximum temperature of 140 degrees F. This fitting falls into the couplings sub-category and into fittings schedule 80. It fits a pipe size of 1-1/4" x 1". It comes in gray. The reducing coupling has a maximum pressure of 471 psi at 73 Degrees F. Standards include: ASTM D1784, NSF14 Certified.