Sid Harvey B163-11

• 2-way on-off low VAC age valves consist of an actuator and valve assembly for controlling the flow of hot water
• Manual opener for valve operation on power failure, valve returns to automatic position when power is restored
• All model may be installed without disassembling the valve
• Compact construction for easy installation
• Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system
• Actuator motor may be replaced without removing the valve body or draining the system
• Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water
• 15 sec nominal open timing
• Screw terminal block electric connection
• Spring return to close valve action
• No SPST auxiliary end switch
• 50 VA pilot duty at 24 VAC , 4.4 amp running with 26.4 amp inrush at 120 VAC end switch rating
• Buna-N (NBR) rubber plug
• Manual opener

HONEYWELL B163-5

White Rodgers B163-112

• 2-way on-off low VAC age valves consist of an actuator and valve assembly for controlling the flow of hot water
• Manual opener for valve operation on power failure, valve returns to automatic position when power is restored
• All model may be installed without disassembling the valve
• Compact construction for easy installation
• Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system
• Actuator motor may be replaced without removing the valve body or draining the system
• Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water
• 15 sec nominal open timing
• Screw terminal block electric connection
• Spring return to close valve action
• No SPST auxiliary end switch
• 50 VA pilot duty at 24 VAC , 4.4 amp running with 26.4 amp inrush at 120 VAC end switch rating
• Buna-N (NBR) rubber plug

HONEYWELL B163-6

• Heat motor zone valves provide a convenient way to create individual zones or equipment isolation in a hydronic heating system
• Using multiple heat motor zone valves and a single pump, you can start, stop or divert flow through the system to provide individual room or area comfort control and energy savings
• Rugged dependability
• Silent operation
• Twist off head
• Bellows valve construction ensures positive shut-off and leak proof operation
• Patented construction
• Easy to install
• Manual open lever
• 100% factory tested
• 24 VAC powered with isolated end switch
• Made in USA
• 3 years head, 5 years body warranty

• MCP-12 operator and bonnet assembly conversion kit converts modumate (old style) valves to comfort trol (new style) valves
• 24 VAC , 50/60 Hz single phase operator
• Unique torsion spring for smooth opening and closing
• Reliable leaf-type stack switch
• solderless electrical connection

• 3-wire terminal block wiring

Taco B163-80

White Rodgers B163-116

• 2-way on-off low VAC age valves consist of an actuator and valve assembly for controlling the flow of hot water
• Manual opener for valve operation on power failure, valve returns to automatic position when power is restored
• All model may be installed without disassembling the valve
• Compact construction for easy installation
• Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system
• Actuator motor may be replaced without removing the valve body or draining the system
• The valve can be mounted in any position on a vertical line
• Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water
• 15 sec nominal open timing
• Screw terminal block electric connection
• Spring return to close valve action
• No SPST auxiliary end switch
• 50 VA pilot duty at 24 VAC , 4.4 amp running with 26.4 amp inrush at 120 VAC end switch rating
• Buna-N (NBR) rubber plug
• Brass case, sector gears, stainless steel cover actuator

• Quiet operation
• Stainless steel valve stem
• Automatic recycling manual operator shows valve position at all times
• Built-in auxiliary contacts to control burner or circulator relay
• Motor can be removed from valve assembly without draining system
• 45 sec open and close time cycle
• 3-1/2 feet of tubing friction loss equivalent
• Includes screw terminal wiring panel and auxiliary switch
• 2 amp at 24 VAC electric rating of auxiliary switch
• 0.4 amp at 24 VAC thermostat circuit rating