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This kit is designed for Weil McLain Ultra Series 1 and Series 2 gas-fired boilers
though the 3' appliance cable provides a longer lead than standard 18" wire versions
This transducer is designed for use with air or non-conducting gases
making it the direct OEM replacement for legacy part numbers S8401-002 and 8401-002
Armstrong International A9739 Air Vent R-410A This kit is designed forThe Armstrong International A9739 Thermostat Air Vent is a critical OEM replacement part designed specifically for "A", "K", "J", and "L" Series float and thermostatic steam traps. Built for high demand environments, this steam trap air vent effectively discharges non condensable gases and CO2, preventing air binding and ensuring efficient heat transfer throughout your steam system. It features a balanced pressure phosphor bronze thermostatic wafer
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