This specific model is designed exclusively for R-22 systems and should not be used in R-410A applications due to different pressure ratings and flow characteristics

65" WC to ensure reliable ignition and safety in elevated locations above 6

This pilot-operated unit requires a minimum differential pressure of 4

Contractors must ensure the manifold pressure is adjusted per manufacturer specifications post-installation to prevent soot accumulation or heat exchanger stress

Warrick 26NMB1A0F Control 340155-7026 This specific model is designedThe Warrick 26NMB1A0F is a precision engineered liquid level control designed for demanding boiler and water management applications. Operating on 120Vac supply voltage, this low water cutoff plug in module utilizes a 10,000 ohm direct acting mode for high sensitivity detection. The 11 pin octal socket style ensures a secure connection for the SPDT (1 NO 1 NC) relay, while the manual reset with power outage feature prevents automatic restarts