Trane VAL8796 TXV R 410A The P91330 limit control features The P91330 limit control features high quality bimetallic sensing elements for reliable thermal response and durable terminal connections to withstand the vibrational stresses common in commercial HVACR applications Its robust construction includes an arc cover as standard and box lug terminations (screw terminals with quick connect options) for secure chassis mount installation the VAL8796 utilizes a self regulating diaphragm to modulate flow based on evaporator outlet superheat facilitating a robust braze on interface that ensures leak free reliability under high pressure conditions up to 500 PSI