Nordyne 902910 Gas Valve 30067439-890 Can I use these tubes

Can I use these tubes without the TotalTest instrument

designed for a high-integrity braze that ensures a leak-free seal in high-pressure environments

and industrial rooftop units that require a stable 230V control voltage from a high-voltage supply

you should see continuity (0 ohms) across the terminals

Nordyne 902910 Gas Valve 30067439-890 Can I use these tubesStop chasing intermittent ignition failures on aging units and swap in the Nordyne 902910 Gas Valve. This authentic OEM furnace gas valve is a direct replacement for 624619R, engineered specifically for Nordyne, Miller, and Intertherm single stage forced air systems. Whether you are servicing an A2A, B3BV, or NXB series furnace, this valve provides the precise regulation required for safe combustion. Built for 24VAC control circuits, it features an