Lochinvar 100277957 Wet Rotor Pump Assembly 3/4 HP with 2" Stainless Steel Flange

The Lochinvar 100277957 is a genuine OEM replacement pump assembly designed specifically for Lochinvar SHIELD commercial water heaters. This pump assembly operates on 115-230V, 60Hz power, providing reliable circulation for commercial water heating applications.

Key Specifications:

• 3/4 HP wet rotor motor with stainless steel construction
• 2-inch flange connections for secure installation
• 115-230V dual voltage operation at 60Hz frequency
• Wet rotor design for quiet, maintenance-free operation
• Corrosion-resistant stainless steel components

Compatible Models:

This pump assembly is engineered for use with Lochinvar SHIELD model SNA401 and SNA501 commercial water heaters. These are high-efficiency ASME-rated commercial water heaters with capacities of 399,999 BTU and 500,000 BTU respectively, designed for demanding commercial applications.

The wet rotor design eliminates the need for shaft seals, reducing maintenance requirements and providing years of reliable service. The stainless steel construction ensures durability in harsh water conditions and resists corrosion over the life of the unit. This genuine Lochinvar replacement part ensures proper fit and performance with your SHIELD water heater system.