Lennox 23X17 Control Board 30067439-890 the Siemens 3RV2901-1E is designed

the Siemens 3RV2901-1E is designed for transverse mounting on the front face

As a key component of the PopTop series

0570 orifice

this submaster controller allows for both Direct Acting (DA) and Reverse Acting (RA) configurations

this durable component offers the reliability required for residential and light industrial applications

Lennox 23X17 Control Board 30067439-890 the Siemens 3RV2901-1E is designedThe Lennox 23X17 Control Board, also identified as the Lennox 620244 02, is an essential demand defrost control designed for high performance heat pump systems. Built to replace previous iterations such as the LEN620244 02, this board integrates multiple critical functions into a single 24V module, including demand defrost logic, a defrost relay, and an anti short cycle timed off control. It features a sophisticated pressure switch system lockout