HONEYWELL L408J1017 Vaporstat Controllers, 0 psi to 4 psi. Provide operating control and automatic high limit protection for vapor heating systems with pressures up to 4 psi (8 kPa). All models have Microswitch snap switches to open or close a circuit on a pressure rise.
• Stainless steel diaphragm for use with liquids, air, noncombustible gases, ammonia, oxygen, distilled water and similar media.
• Provide SPDT switching.
• Clear plastic cover allows observation of the pressure settings.
• Mount using hexagonal fitting with 1/4 in. NPT internal threads for direct mounting to the 14026 (steel) or 50024585-001 (brass) Steam Trap (siphon loop).
• Ground Screw terminal.