Key Benefits: Precision-engineered #33 orifice for calibrated natural gas delivery and efficient fuel-to-air ratios

Precision Fitment: Eliminates gaps in the tile assembly

it requires a minimum differential pressure (usually 5 PSI) to lift the diaphragm and maintain a fully open position

Reliable Signal Output: Delivers a consistent 20-28 mV millivolt signal to prevent nuisance pilot outages and service calls

making it suitable for Class 1

Lennox 19F27 Heat Kit 324846-701 Key Benefits: Precision-engineered #33 orificeThe Lennox 19F27 is a high performance 10kW 240V 3PH Heat Kit engineered for seamless integration into compatible Lennox air handlers and packaged units. As a veteran grade electric heat section, this OEM component provides critical supplemental heating capacity for three phase commercial and residential applications. Operating at 10 kilowatts on a 208 240V 3 phase circuit, it ensures a balanced electrical load and reliable thermal output during peak