Every industrial gas valve maintenance kit includes two high-grade elastomer O-rings and a dedicated capsule of valve lubricant grease specifically formulated for high-pressure gas environments

this OEM switch provides the exact electrical actuation pressure required to prevent safety lockouts

Key Benefits for HVACR Professionals

Environmental Resilience: The splashproof design and stainless steel bulb prevent corrosion in condensing and high-humidity environments

What does the green color code signify on this HVAC limit control

Weil McLain 635-100-003 Air Vent Els PW 17895 Every industrial gas valve maintenanceThe Weil McLain 635 100 003 Automatic Air Vent is a critical component for maintaining hydronic system efficiency by ensuring the continuous removal of trapped air. Designed for high performance residential and commercial boilers, this #400 series air vent features a 1 2" NPT connection and is engineered to handle demanding operating conditions. With a maximum pressure rating of 150 PSI and a maximum temperature threshold of 240F, this brass automatic