This Apollo 36 Series regulator features a heavy-duty bronze body and a balanced piston design

With a range extending down to -40°F

Universal Compatibility: Direct replacement for several 3ARR3 potential relay configurations used in food service and commercial HVACR

reducing diagnostic time for lockout and airflow issues

Carrier LH33EP040 Ignition Module R-410A This Apollo 36 Series regulatorThe Carrier LH33EP040 Ignition Module is a high performance electronic ignition control designed for compatibility with Carrier, Bryant, and Payne gas fired equipment. This direct spark ignition (DSI) control manages the gas valve, monitors flame rectification, and provides critical safety lockouts to ensure reliable furnace operation. This module, which is identical to part number LH33EP040A, is engineered to handle the specific voltage requirements