Featuring an externally equalized design with a 1/4" ODF connection

This HVAC diagnostic tool streamlines the troubleshooting process by pinpointing error codes and operational anomalies in hard-to-reach installations

it allows for the simultaneous management of two independent electrical circuits

It allows technicians to balance the system's static pressure by selecting the appropriate lead for either high-stage cooling or lower-stage heating requirements

Designed with a durable 37-inch lead

Laars Heating Systems RV2017904 Gas Valve/Venturi Kit Refrigerant Featuring an externally equalized designThe Laars RV2017904 Gas Valve Venturi Kit is a critical replacement component for high efficiency Laars NeoTherm condensing boilers and volume water heaters. This assembly integrates a precision negative regulation gas valve with a high performance venturi to ensure the exact air fuel ratio required for modulating combustion. Engineered to maintain a 5: 1 turndown ratio, the RV2017904 facilitates stable ignition and consistent thermal output across