Tjernlund Products VH1-4 Aluminum Hood 321142-301 this assembly facilitates optimal atmospheric

this assembly facilitates optimal atmospheric or power-vented combustion by maintaining a consistent gas-to-air ratio

High-Efficiency Filtration: The solid molded core provides uniform desiccant distribution

This intermittent pilot (IP) controller is designed for 24VAC circuits

Vibration Resistance: Designed to withstand the mechanical stresses of high-capacity industrial chillers and heat pumps

Use a multimeter set to the ohm scale and compare the resistance at a known temperature against the Laars service manual resistance chart

Tjernlund Products VH1-4 Aluminum Hood 321142-301 this assembly facilitates optimal atmosphericThe Tjernlund VH1 4 is a professional grade 4 inch aluminum vent hood engineered specifically for side wall vent systems and horizontal terminations of gas fired equipment. This heavy duty assembly is constructed from 20 gauge corrosion resistant aluminum, ensuring a long service life even when exposed to high temperature flue gases up to 550F gross. Designed to maintain the structural integrity of the buildings exterior, the VH1 4 features an