4-20 mA (with a 500 Ohm resistor)

The BROAN-NuTone L100E Vent Fan is a high-capacity

this support ensures adequate combustion air drawing and balances the burner assembly to maximize fuel efficiency and operational stability in high-demand residential or light commercial systems

the Allanson 2265-TP provides the durability and technical precision required for modern gas-fired combustion systems

This kit transitions older standing pilot configurations to a more reliable intermittent pilot ignition (IPI) or updated pilot assembly

Mammoth Commercial 9971070111 TXV Valve 319825-402 4-20 mA (with a 500The Mammoth Commercial 9971070111 TXV Valve is a specialized thermostatic expansion valve designed for precision refrigerant metering in high capacity HVAC systems. Integrating a 30 inch capillary tube with 3 8" x 3 8" ODF connections, this component ensures stable evaporator superheat across fluctuating heat loads. Unlike standard metering devices, the 9971070111 valve utilizes a finely tuned power head to modulate fluid dynamics, preventing