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2 lb force (90 N) to handle high-pressure drops
While universal relays exist
Use a manometer to verify the draft pressure at the appliance outlet during the commissioning process
000 BTU/HR capacity suitable for large commercial boilers and water storage tanks
Johnson Controls V47AD-2 Valve 30067439-890 2 lb force (90 N)The Johnson Controls V47AD 2 Valve is a rugged, 1 inch NPT direct acting temperature actuated water regulating valve engineered specifically for high demand heating applications. This cast iron regulator utilizes a specialized Style 4 sensing bulb (11 16" diameter x 6" length) and a 6 foot capillary to modulate water flow based on sensed temperature deviations. Featuring a heating point range of 115F to 180F, the V47AD 2 is technically identical to