Laars Heating Systems 2400-556 Flow Sensor R-134A extending the operational life of

extending the operational life of the setpoint mechanism

This handheld pump sprayer is perfectly sized for tight mechanical rooms or rooftop units where a full-sized tank is impractical

Key Benefits Universal Compatibility: Drop-in replacement for Johnson Controls D-3153 and D-3070 series pneumatic actuators

Key Benefits Optimized Airflow Calibration: Specifically tuned for ICP gas furnaces to ensure the proper air-to-fuel ratio and maximize heat exchanger efficiency

and Coleman air handlers and rooftop units

Laars Heating Systems 2400-556 Flow Sensor R-134A extending the operational life ofThe Laars Heating Systems 2400 556 Flow Sensor is a precision engineered OEM replacement part designed for critical fluid dynamic monitoring in hydronic boiler systems. As a veteran grade HVAC flow sensor, this component ensures the boiler maintains appropriate flow rates before allowing the ignition sequence, protecting the heat exchanger from dry firing and thermal stress. This sensor is specifically calibrated for compatibility with the Laars