The trap must be positioned on the combustion air intake pipe as close to the furnace as possible

preset temperature before distribution

and properly insulated to ensure accurate temperature readings for the thermal expansion valve

The McDonnell & Miller 51-S-2 is a heavy-duty mechanical water feeder and low water cut-off (LWCO) designed for low-pressure steam and hot water boilers

Universal design integrates with any ventilation hood regardless of brand using a pressure-sensing switch

Watts 0780044 Float 321894-709 The trap must be positionedThe Watts 0780044 (Series P16) is a precision engineered copper float designed for high performance fluid level control in industrial and commercial HVACR applications. This 2 x 8 inch cylindrical float is a direct replacement component for Watts P16 and P116 float valves, frequently utilized in cooling tower water level control systems and larger condensate tanks. Constructed from heavy gauge copper with a durable soldered seam, the 0780044 ensures