McDonnell & Miller Head Assembly 25A-HD, Use With Series 25-A

VXTC Commerical Water Feeder 3/4" NPT Fitting, 120V Features: Programmable Feed Delay Settings (0 to 10 Min) Prevents over-filling by allowing time for condensate to return to boilerbefore initiating feed cycle. A "NO DELAY" delay setting is available forprocess steam applications. Programmable Feed Amount Settings (LWCO to LWCO+120 Sec) Includes one setting to raise the water level to the boiler control and fiveadditional settings to raise the water level above the boiler control. Displays current mode of operation. Also provides timer for convenientset-up of programmable feed amount ...

McDonnell & Miller Series 51-2 Mechanical Water Feeder/Low Water Cut-off 51-2, #2 Switch For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) capacity with cold water feed. Quick-change replaceable cartridge valve and strainer. Optional features - No. 2 switch - Manual reset - Float block. Proportional feed action. Model 51 can be field upgraded with a No. 2 switch to add low water cut-off function. Maximum water supply pressure 150 psi (10. 5 kg/cm2). Maximum inlet water temperature 120°F (49°C). Maximum vessel pressure 35 psi (2. 5 kg/cm2). Made in ...

Watts 1/2" Relief Valve 0388798 This 1/2" dual control regulator and relief valve is for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of an iron and bronze body construction with NPT threaded inlet and outlet connections, an attached iron body, diaphragm relief valve, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. It has high capacity ...

For residential and commercial low pressure steam boiler applications. For boilers of any steaming capacity. For mounting in 2-1/2" NPT boiler side tapings. Insertion lengths available in 13/16 - 41/8" (30-105mm). Pack less bellows. Adjustable BX outlet for easy installation. Dual precision switches for dependable operation of the low water cut-off and an alarm or electric water feeder. Optional low voltage switches for self-generating mill volt circuits. Maximum steam pressure 20 psi (1. 4 kg/cm2). Made in the USA .

VXT-120 Water Feeder, 1/2" Sweat Fitting, 120V Features: Universal Compatibility Works with all major probe and float-type low water cut-off. Digital Feed Counter- Continually tracks and displays the amount of make-up water fed into the boiler - essential for diagnosing system leaks that can severely shorten the life of the boiler. Call-For-Feed Indicator, Illuminates during feed signal from the LWCO Programmable Feed Delay Settings (30 Sec. to 10 Min)Helps prevent flooded boilers. Allows time for condensate to return to boiler before initiating feed cycle - ensuring that additional water ...