Industrial-grade construction resists corrosion and thermal degradation in the burner compartment

Key Benefits Staged Element Activation: Effectively sequences up to four heater banks to eliminate massive instantaneous electrical draws

Technical Key Benefits Enhanced Enclosure Rating: The NEMA 4 conduit housing provides a watertight seal

this adjustable air differential switch is frequently used to prove airflow in exhaust systems by sensing the pressure drop across the fan

Rated for up to 15 Amps at 240VAC

Hydrolevel FOEM-2 Fitting Tee Els PW 17895 Industrial-grade construction resists corrosion andWhen you're outfitting a hydronic system, you need a high integrity junction that won't fail under constant thermal cycling. The Hydrolevel FOEM 2 Filling Tee is a veteran grade cast iron manifold fitting engineered specifically for residential and light commercial boiler applications. This 1" x 1" x 3 4" NPT pipe tee (Hydrolevel Part Number 45 304) serves as a rugged connection point for water column manifolds and sensing probes, ensuring your low