Bell & Gossett 103400 NRF‑36 Cast Iron Wet Rotor Circulator Pump, 1/6 HP, Flanged, 115V, 1 Phase, 3‑Speed

The Bell & Gossett 103400 (Model NRF‑36) is a cast iron wet‑rotor circulator pump designed for residential or light commercial hydronic heating systems. It features a 1/6 HP motor, 115V single phase three‑speed control, and flanged inlet/outlet connections. The pump body uses a Noryl impeller, ceramic shaft, and carbon bearings for long life and quiet operation.

Features

• Cast iron body with flanged inlet/outlet
• Three‑speed motor control (high, medium, low speeds)
• Noryl non‑metallic impeller
• Ceramic shaft and carbon bearings
• Wet rotor design (motor immersed for lubrication by the fluid)
• Rated for up to 150 PSI working pressure
• Maximum continuous temperature rating ~225°F
• Flow range up to 36 GPM

Specs

Specifications Sheet