Weil Mclain 383500300 Gas Fired Boiler Sensor KitGas Fired Boiler Sensor Kit from Weil Mclain 383500300 delivers reliable sensing for gas fired boilers, helping protect your heating system and maintain efficient operation. Specifically designed for return supply configurations, this sensor kit is a critical component for keeping your Ultra series boilers performing at their best. Used on gas fired boilers, this kit is compatible with Weil Mclain Ultra models 80, 105, 155, 230, and 310. It features a

nickel-plated shaft

Operating -30 to 40°F (-34 to 4°C)

Choose the AFS-262-121 for precise air pressure sensing

Durable construction and easy installation for quick upgrades

The Fasco Draft Inducers A197 Blower offers efficient airflow with a 1/70 HP rating

Differential: 2–16 oz/in²

delivering solid electrical control for hot water systems

With a compact size and rugged construction

Safety Relief Valve for commercial hot water systems — the Conbraco 1040705 Safety Relief Valve provides reliable overpressure protection with a corrosion-resistant bronze body

Rated for 20 to 281°F media

Filter or Lek Bottle

reliable startup and efficient operation