McDonnell & Miller G-2-SS Probe Rod using this HVAC gas orifice

using this HVAC gas orifice replacement ensures your system maintains its original factory efficiency and airflow-to-gas ratio

For outdoor or high-humidity areas

leading to inconsistent flame rectification

Precision Control: Critical for achieving accurate outdoor air intake and exhaust air management in pneumatic or electric control setups

McDonnell & Miller G-2-SS Probe Rod using this HVAC gas orificeThe McDonnell & Miller G 2 SS Probe Rod (Part Number 179156) is a heavy duty 24 inch 316 stainless steel probe rod engineered for high demand liquid level control applications. Designed specifically for integration with Series 750B C3 and Series 750B C4 remote sensors, this non Teflon grounding probe provides the essential conductive path required for conductance type level sensors. The use of premium 316 stainless steel ensures superior corrosion