Laars Heating Systems 2400-228 Pressure Switch R-407C Utilizing a 125 PSI valve

Utilizing a 125 PSI valve in a 150 PSI system will result in premature lifting and system downtime

60-inch capillary length allows for versatile remote sensing bulb mounting in tight equipment cabinets

ensuring long-term reliability in demanding applications

Precision Adjustment: Serrated arm design enables secure

This kit features an integrated circuit breaker for overcurrent protection

Laars Heating Systems 2400-228 Pressure Switch R-407C Utilizing a 125 PSI valveThe Laars Heating Systems 2400 228 Pressure Switch is a critical safety component designed for precise draft monitoring and combustion air verification in high efficiency hydronic systems. This OEM replacement part, also identified as the Pressure Switch Mark II, is engineered specifically for compatibility with Laars Mark II H Series residential and commercial boilers, including models H, HW, and HP (sizes 60 130). As a normally open switch, it