Weil McLain 510-218-100 Combination Pressure-Vacuum Gauge, 4-1/2″ Dial

Description

The Weil McLain 510-218-100 is a combination pressure-vacuum gauge engineered for reliable monitoring of boiler and hydronic heating systems. With a single instrument covering both positive pressure and vacuum readings, this gauge simplifies system diagnostics and helps technicians quickly identify pressure anomalies during startup, operation, and shutdown.

Key Features

• Dual-function design reads both pressure and vacuum on a single dial
• Pressure range: 0–30 PSIG for positive pressure monitoring
• Vacuum range: 0–30″ Hg (inches of mercury) for vacuum measurement
• Large 4-1/2″ dial face for easy, at-a-glance readings
• Bottom connection for straightforward panel or pipe mounting
• 1/4″ NPT male connection for standard compatibility with boiler and hydronic piping
• Genuine Weil McLain OEM replacement part (SKU: 510-218-100)

Applications

• Weil McLain boilers and hydronic heating systems
• Steam and hot water boiler pressure/vacuum monitoring
• Mechanical equipment rooms requiring combination pressure-vacuum indication

Specifications

• SKU: 510-218-100
• Brand: Weil McLain
• Pressure Range: 0–30 PSIG
• Vacuum Range: 0–30″ Hg
• Dial Size: 4-1/2″
• Connection Type: Bottom
• Connection Size: 1/4″ NPT