©Johnstone Supply eCatalog 216
HYDRONICS Boiler Controls
VXT Automatic Water Feeders For Steam Boilers • Automatically maintains safe boiler water level and monitors make-up water additions • Works with all probe and float-type low water cut-offs • Digital feed counter displays amount of water added to boiler and helps diagnose water loss problems
• Programmable feed delay helps prevent flooded boilers, with six programmable feed settings • Features manual feed button, underfeed protection, lockout flood protection, and on board diagnostics WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Order #
Mfg. #
Model # VXT-24
Volts
Order #
Mfg. #
Model #
Volts
L42-938
L42-939
45-026
24
45-122
VXT-120 120
Water Feeders For Steam Boilers Uni-Match ® Electric • For low pressure steam boilers up to 1,000,000 BtuH • Three position slide switch allows timing to be matched to most major low water cut-off manufacturers • Field adaptable flow rate — 1, 2 or 4 GPM • Universal design; manual feed button • Easy to clean strainer • Can be used with mechanical or electronic water cut-off controls Water Feeders For Steam Boilers • For low pressure steam boilers with cold water feed • Can be used with mechanical or electronic low water cut-off controls • Quick-change replaceable cartridge valve and strainer • Manual feed button • L38-766 features a 120VAC solenoid Order # Mfg. # Model # Volts L38-789 169550 WF-2-U-24 24
• Includes 3/8" x 1/2" sweat adapters for quick installation with copper tubing Specifications: • Maximum water temperature: 175°F • Maximum ambient temperature: 100°F • Maximum water pressure: 150 PSI • Maximum boiler pressure: 15 PSI WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Order #
Mfg. #
Model #
Volts
L38-790
169560
WF-2-U-120 120
• L38-767 features a 24VAC solenoid and a separate 50VA transformer Specifications: • Maximum water pressure: 150 PSI • Maximum boiler pressure: 25 PSI • Maximum water temperature: 175°F • Maximum power consumption: 40 watts WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Order #
Mfg. #
Model #
Volts
Order #
Mfg. #
Model # 101A-24
Volts
L38-766
L38-767
169400
101A
120
169500
24
Boiler-Water Feeder Cut-Off Combination • For closed, hand fired steam heating system boilers up to 5,000 sq. ft. capacity
• Self-closing blow-off valve without cut-off switch • Maximum boiler pressure: 25 PSI • Maximum water supply pressure: 150 PSI WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
• Has time-saving quick hook-up fitting for installation in gauge glass tappings with 1/2" connections
Order #
Mfg. #
Model #
L86-137
132800
47-2
Replacement Valve And Strainer • Replacement valve, cartridge and strainer assembly kit for series 47 ( L86-137 ), 247 and 847 low water cut-off assemblies
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Order #
Mfg. #
Model #
L38-786
341600
SA47-101-102
535
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