Enhanced Protection: Integrated internal fuse protects downstream control components from electrical faults

This is the switch assembly only

20" WC pressure rating and features a Single Pole Normally Open (SPNO pressure switch) configuration that is designed to close on fall

Whether you are performing a TXV orifice replacement or a new system HVAC expansion valve sizing

making it ideal for finished interior spaces where large horns are visually intrusive

Weil Mclain 383-500-255 Gasket Enhanced Protection: Integrated internal fuseThe Weil McLain 383 500 255 Cover Plate Gasket is a critical OEM sealing component engineered specifically for Ultra Gas Fired Water Boilers, including Ultra 155, 230, and 310 series units. High efficiency condensing boilers demand a precise, airtight seal at the heat exchanger cover plate to maintain combustion integrity and prevent the escape of flue gases. This replacement boiler gasket is manufactured from high grade, heat resistant materials