Old Number 50027997-001
Fits TrueSTEAM Humidifiers
Includes: 1 - Solenoid Valve, 1 - Quick Connect, 1 - Restricotor and Wiring Harness
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Old Number RRD5
Power open, power closed damper actuator is easily inserted into rigid round ducts for retrofit zoning in forced air heating and cooling systems
2.5 VA allows for many dampers on one zone - Quiet, long life motor automatically shuts itself off in full open and closed positions
Gaskets around blade and under motor housing for low internal leakage and very low external leakage
Range stops with easy adjustment from top of motor - Easy to see and reliable mechanical blade position indicator
Hooks up with conventional thermostat wire - Simple manual blade positioning with push button gear release
Old Number 220736A
Fits Modutrol IV Motors with 1 SPDT Switches
Old Number ZD10X20
Power close and spring open damper - 24 volt motor used to control circulating air in HVAC systems and used when a normally open damper is required.
Mechanical visual position indicator for damper status - Solid construction using extruded aluminum frame and blades
Parallel blade design for low leakage performance - Simple, easy to wire, two wire installation - Reliable, strong, 24-volt spring return motor.
Fail safe, normally open operation
Old Number VU843A-1004
For use with VU53 valve body for controlling the flow of hot or chilled water in commercial HVAC equipment
Fits under the cover of most baseboard convectors with actuator fitted to valve body - One button quick release - Secure 3 point metal latch to valve body
Spring return operation - Stainless steel case and aluminum cover - Rust resistant motors - Manual opener for installation and valve operation on power failure
Valve returns to automatic position when power is restored - Actuator may be reinstalled or serviced without draining the system or disassembling the valve
Slotted conduit hole for faster wiring - 6 inch wire lead - 24 Volt
Old Number AQ25400B
Use with AQ255 or AQ257 Expansion Panels
Old Number 50007297-001
Fits TH5110 - 5-1/2 inch x 4-5/16 inch
Old Number L404A-1354 and L404F-1060
Provides operating control with automatic limit protection for pressure systems up to 300 psi - 2 to 6 PSI differential adjustment
Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
Models have snap-acting switching to open or close a circuit on pressure rise
Adjustments are made by screws on top of case - Snap switch breaks on pressure rise
Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case - Ground screw terminal.
Old Number VS820A-1088
Includes manual gas valve, safety shutoff, millivolt automatic operator, two 3/4 inch x 1/2 inch bushing, one 1/2 inch x 3/8 inch bushing, remote rod adapter, and an LP conversion kit
Single stage - 750 millivolt - Standard Opening - 335,000 BTU per hour at 1 inch water column - 34,000 BTU per hour minimum - 425,000 BTU per hour maximum
Easy to install, adjust and service; all adjustments and connections are accessible from top of control
Complete safety shutoff on pilot flame failure - LITE-RITE (OFF-PILOT-ON) lighting sequence
Old Number ZD8X22
Power close and spring open damper - 24 volt motor used to control circulating air in HVAC systems and used when a normally open damper is required.
Mechanical visual position indicator for damper status - Solid construction using extruded aluminum frame and blades
Parallel blade design for low leakage performance - Simple, easy to wire, two wire installation - Reliable, strong, 24 volt spring return motor
Fail safe, normally open operation
Self contained, self adjusting, motorized valve actuators that mount directly onto valves and provide linear stem operation between 1/2 inch and 1 inch
For use with low voltage single pole double throw Series 70 and Series 90 electronic controllers
Self adjusting linkage - Multi pose mounting - Electronic current sensing provides internal protection and positive full closing force
Fits V5011, V5013, VGF21, VGF22 (up to 3 inch), and V5045
Strong valve seat closing force - Compact size - Non spring return
Old Number FH8000F-2025
Uses 20 inch x 25 inch x 4 inch TrueCLEAN media - MERV 15 - 2000 CFM maximum air flow capacity
Provides high filtration performance while destroying contaminants and treats the air stream through a three step process
Old Number HM512A-2000
Includes: Humidifier, Outdoor Temperature Sensor, Duct Template Hardware, Saddle Valve, Drain Supply Tubing,
Duct Nozzle, Mounting Bracket, Backflow Valve, and HumidiPRO Digital Humidity Control
Duct or Remote mount (up to 20 feet away)
Old Number HM509A-2000
Includes: Humidifier, Outdoor Temperature Sensor, Duct Template Hardware, Saddle Valve, Drain Supply Tubing,
Duct Nozzle, Mounting Bracket, Backflow Valve, and HumidiPRO Digital Humidity Control
Duct or Remote mount (up to 20 feet away)
Old Number HM506A-2000
Includes: Humidifier, Outdoor Temperature Sensor, Duct Template Hardware, Saddle Valve, Drain Supply Tubing,
Duct Nozzle, Mounting Bracket, Backflow Valve, and HumidiPRO Digital Humidity Control
Duct or Remote mount (up to 20 feet away)
Old Number 50028001-001
Fits TrueSTEAM Humidifiers
Includes: 1 - Humidifier Nozzle, and 1 - Remote Duct Nozzle
Old Number ZD18X12
Power close and spring open damper - 24 volt motor used to control circulating air in HVAC systems and used when a normally open damper is required.
Mechanical visual position indicator for damper status - Solid construction using extruded aluminum frame and blades
Parallel blade design for low leakage performance - Simple, easy to wire, two wire installation - Reliable, strong, 24 volt spring return motor
Fail safe, normally open operation
Old Number Q674F-1022
Fits T874 thermostats
Provides wiring terminals, mounting base, and system and fan switching - Mounts on wall or horizontal outlet box.
Old Number Q539C-1020
Fits T87F thermostats
Provides system and fan switching for cooling only - Include cooling anticipator and letter coded screw terminals for electrical connections.
Wide range of switching functions fits most cooling applications - Mounts directly on wall
Old Number Q6000B-1003
Fits T8100 and T8200 thermostats
Heating only
Old Number ZD12X16
Power close and spring open damper - 24 volt motor used to control circulating air in HVAC systems and used when a normally open damper is required.
Mechanical visual position indicator for damper status - Solid construction using extruded aluminum frame and blades
Parallel blade design for low leakage performance - Simple, easy to wire, two wire installation - Reliable, strong, 24-volt spring return motor.
Fail safe, normally open operation
Old Number Y8835A-1028
Includes: One W8835 Panel, three VisionPRO IAQ Communicating Thermostats, one C7835 Discharge Air Temperature Sensor, one AT140 Transformer, one C7089U Outdoor Temperature Sensor, and one 50022037-001 Outdoor Temperature Interface Module
Old Number TH5320U-1001
Easy access battery replacement - Displays in 5.09 square inch standard backlit screen - Conventional systems - 3 heat and 2 cool stages for heat pumps
Precise comfort control which maintains consistent comfort - Dual powered; battery and/or hard wired
Automatic or manual changeover - Horizontal mount
Old Number TK30PV-150FM
Kits are a quick way to purchase boiler trim when doing a boiler change out
Kit includes: TK300-30/U Expansion tank, PV150/U 1-1/2 inch Supervent, SCV-050/U Service check valve, and FM911/U 1/2 inch boiler fill valve/backflow preventer combination