Lennox 34M76 Pressure Switch Engineered for commercial HVAC control

Engineered for commercial HVAC control environments

The Belimo ZG-LMSA-1 is designed to meet the full torque specifications of the LM series and compatible 3/8" actuators

it ensures proper flue gas scavenging

This genuine Totaline replacement part maintains the structural integrity of the furnace’s safety circuit

There is no functional difference

Lennox 34M76 Pressure Switch Engineered for commercial HVAC controlThe Lennox 34M76 Pressure Switch is a critical safety component designed for high efficiency condensing gas furnaces. Engineered with an actuation set point of . 86" WC (Water Column) and a reset point of 1. 01" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor establishes a proper vacuum before the ignition sequence begins. Designed for a 1 4" barb connection, it provides a reliable pneumatic seal to prevent the furnace from