Toyotomi Lead Wire

The Toyotomi Pump Lead Wire, part number 20476996, is an electrical connection lead designed for use with the Toyotomi Oil Miser OM-128HH hydronic water heater system. This lead wire connects the circulation pump to the heater’s electrical control circuit to allow proper pump operation during heating cycles.

This wiring component enables the heater control system to supply electrical power to the circulation pump that moves heated water through the hydronic heating loop. Proper pump wiring ensures the heating system can distribute heated water efficiently throughout the connected hydronic system.

What’s Included: One circulation pump lead wire with integrated couplers designed for connection to compatible heater pump terminals.

Installation Limits: Intended for use with compatible Toyotomi hydronic water heater systems requiring a circulation pump lead connection.

Compatibility: Toyotomi Oil Miser OM-128HH hydronic water heater systems.

• OEM Toyotomi circulation pump lead wire
• Part number 20476996 for accurate replacement
• Connects circulation pump to heater control circuit
• Supports hydronic water heating system operation
• Pre-configured lead with connection couplers
• Designed for OM-128HH heater applications

This lead wire connects the heater control circuitry to the circulation pump used in hydronic heating systems. Reliable electrical connections allow the pump to operate in coordination with heater cycles, helping circulate heated water through the heating loop.