Kits are a quick way to purchase boiler trim when doing a boiler change out
Kit includes: TK300-30/U Expansion tank, PV125/U 1-1/4 inch Supervent, SCV-050/U Service check valve, and FM911/U 1/2 inch boiler fill valve/backflow preventer combination
For use with VR8205S,T; VR8215S,T; VR82/VR8300A,M,H,K; VR82/VR8304A,M,H,K; VR82/VR8305A,M,H,K; VR42/VR4300A,M,H,K;
VR42/VR4304A,M,H,K; VR42/VR4305A,M,H,K Standard and Slow opening valves - Not for use with Step valves
Used for closed loop hydronic systems designed for cycling (not constantly powered on) - Motor can be replaced without removing the
valve body or draining the system - Two way normally open valve - 24 volts
Normally open - Molded terminal numbers and circuit diagram on top of relay - Untaped coil for cooler operation - Laminated magnet - The
base is designed for easy replacement of competitive relays - Double quick connect coil terminals
Includes: One W8835 Panel, one VisionPRO IAQ Communicating Thermostat, one FocusPRO communicating thermostat, one C7835 Discharge Air Temperature Sensor, one AT140 Transformer, one C7089U Outdoor Temperature Sensor, and one 50022037-001 Outdoor Temperature Interface Module
Honeywell AQ252 AQUATROL universal injection/mixing boiler reset controls for single temperature, residential hydronic heating systems ensure ample supply of hot water through energy-efficient outdoor temperature compensated control.
Honeywell Aquatrol® Boiler Reset Control Panel, Injection/Mixing, Series: AQ252, User Interface: DIP Switch, 4 Zones, Boiler Output: 24 VAC 0.5 A 12 VA, 38 VA, 10 ft Lead Length, 2 x 14 AWG Wire, Wire-Clamp Screw Terminal, 8 in H x 16-1/2 in W x 3-3/8 in D, Import
Control the temperature from anywhere in the home to experience a new level of comfort and convenience. Works in both zoned and non-zoned applications.
No interference with other wireless devices in the home - Works with compatible RedLINK enabled thermostats and accessories
Installs in minutes - Touchscreen interface with backlit display - Can display outdoor temperature and humidity
Built in pager with an audible noise helps locate the device in the home - Screen lock feature helps prevent accidental changes
1 year battery life - 2 month low battery warning
In Non-Zoned Applications: Bring it with you anywhere in the home to sense and control temperature from the room that you are in
In Zoned Applications: View and adjust all RedLINK enabled thermostats from a single control
1/2 inch FIPS connection size - 1 inch FIPS pipe size
Purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding.
No clog vent - Dirt and Debris resistant - 360 degree adjustable collar ring for installation flexibility - Stainless steel concentrator which eliminates gurgling noise
Used for 24 volt direct ignition boilers - Two automatic operators - Pressure regulator - Manual switch - Can be used for LP gas when an
LP conversion kit is installed
Used for a single zone with a circulator - Compatible with most thermostats - "C" terminal is available for every thermostat connection - LED display
panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Provides low voltage control of line voltage fan motors and auxiliary circuits - Includes NEMA standard transformer - Mounts on standard 4
inch x 4 inch junction box - Double pole, double throw (DPDT) switch
Includes: W8150A-1001 ventilation controller, AT120B-1028 24 volt transformer, and EARD6TZ TrueZONE damper/actuator - Can be used
with an HRV or ERV for balanced ventilation
Automatic temperature control in two pipe steam or hot water systems for free standing radiators, convectors, and other heating units with standard capacity requirements
Controls include sensor, setpoint dial and valve actuator - Connect to actuator on valve body by 6-1/2 foot capillary tube
Provides intermediate switching of line and low voltage devices from a line or low voltage controller
High load switching capability - Troubleshooting LED - Push to test button - Replaceable transformer fuse.
Long life DC relay drive control technology - Relay for use with external 24 Volt AC or 24 Volt DC supply, with line voltage control, or with internal 24 V transformer supply.
Secondary of transformer protected by replaceable 1A automotive fuse - Single pole, double throw (SPDT) switching