For technicians performing HVAC pneumatic repairs or Honeywell transducer maintenance

ensuring the thermocouple or thermopile (depending on your specific valve configuration) sits correctly in the flame path for reliable millivolt production

Carbon buildup on the thermocouple or pilot head is frequently caused by poor secondary air circulation or incorrect gas pressure

As a direct replacement for MOT3019 and X70670720020

0mm bore during maintenance will alter the gas flow

Lennox 17K70 Breaker 320734-701 For technicians performing HVAC pneumaticAs an HVAC pro, you know a tripped breaker isn't just a nuisanceits a diagnostic signal. The Lennox 17K70 (also identified as 17K7001) is a 2 pole 30 Amp circuit breaker engineered specifically for high demand 120 240V AC HVACR applications. Built to handle the rigorous inrush currents of compressor startups, this Common Trip breaker ensures that if one leg faults, both poles disconnect simultaneously to prevent single phasing and potential motor