Resideo VCZZ7100 Replacement Cartridge
For veteran contractors servicing hydronic systems, the Resideo VCZZ7100 Replacement Cartridge is the industry standard for restoring VC series valve performance without the need for a full body replacement. Specifically engineered for use with non-fail safe proportional actuators, this high-performance cartridge features a red spring designed for 20 lbf requirements, providing a precise linear flow characteristic to ensure optimal modulation in varying load conditions. Built with high-grade stainless steel stem components and EPDM/Ryton construction, the VCZZ7100 maintains superior seal integrity for chilled and hot water applications with up to 60% glycol concentration. As a field-serviceable valve repair part, it allows you to rebuild 3-way VC valves to original factory specifications, restoring full Cv ratings and closing off against pressures up to 60 psid. Every unit includes a dedicated cartridge wrench to facilitate rapid, secure installation during routine maintenance or emergency service calls.
Key Benefits for HVAC Professionals- Precise Linear Regulation: Calibrated for proportional control, ensuring predictable linear flow across the entire stroke of the actuator.
- 20 Lbf Red Spring: Specifically designed to meet the high-force requirements of proportional VC actuators for reliable valve seating.
- Simplified Serviceability: Allows for the quick replacement of moving parts without breaking pipe connections or removing the valve body.
- Industrial-Grade Material: Features a stainless steel stem and corrosion-resistant plastics to provide long-term service in harsh hydronic environments.
- Universal Wrench Included: Minimizes downtime by including the necessary cartridge installation tool in every package.
Is the VCZZ7100 compatible with 2-way valve bodies?
No, this linear flow cartridge is specifically designed for 3-way VC series valves. For 2-way body applications, you should look for the VCZZ1000 series equivalents to ensure the correct flow pathing and seating.
Can I use this cartridge with a 14 lbf silver spring actuator?
The red spring indicates a 20 lbf rating. While this cartridge can technically fit the body, it is optimized for non-fail safe proportional actuators. Always match the spring tension to your specific actuator's force requirements for proper close-off.
Does this part solve issues with internal valve leakage?
Yes, since most internal leakage is caused by worn O-rings or debris on the seat, replacing the cartridge effectively rebuilds the internal mechanics and restores the valve to its original sealing capacity.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
For veteran contractors servicing hydronic systems, the Resideo VCZZ7100 Replacement Cartridge is the industry standard for restoring VC series valve performance without the need for a full body replacement. Specifically engineered for use with non-fail safe proportional actuators, this high-performance cartridge features a red spring designed for 20 lbf requirements, providing a precise linear flow characteristic to ensure optimal modulation in varying load conditions. Built with high-grade stainless steel stem components and EPDM/Ryton construction, the VCZZ7100 maintains superior seal integrity for chilled and hot water applications with up to 60% glycol concentration. As a field-serviceable valve repair part, it allows you to rebuild 3-way VC valves to original factory specifications, restoring full Cv ratings and closing off against pressures up to 60 psid. Every unit includes a dedicated cartridge wrench to facilitate rapid, secure installation during routine maintenance or emergency service calls.
Key Benefits for HVAC Professionals- Precise Linear Regulation: Calibrated for proportional control, ensuring predictable linear flow across the entire stroke of the actuator.
- 20 Lbf Red Spring: Specifically designed to meet the high-force requirements of proportional VC actuators for reliable valve seating.
- Simplified Serviceability: Allows for the quick replacement of moving parts without breaking pipe connections or removing the valve body.
- Industrial-Grade Material: Features a stainless steel stem and corrosion-resistant plastics to provide long-term service in harsh hydronic environments.
- Universal Wrench Included: Minimizes downtime by including the necessary cartridge installation tool in every package.
Is the VCZZ7100 compatible with 2-way valve bodies?
No, this linear flow cartridge is specifically designed for 3-way VC series valves. For 2-way body applications, you should look for the VCZZ1000 series equivalents to ensure the correct flow pathing and seating.
Can I use this cartridge with a 14 lbf silver spring actuator?
The red spring indicates a 20 lbf rating. While this cartridge can technically fit the body, it is optimized for non-fail safe proportional actuators. Always match the spring tension to your specific actuator's force requirements for proper close-off.
Does this part solve issues with internal valve leakage?
Yes, since most internal leakage is caused by worn O-rings or debris on the seat, replacing the cartridge effectively rebuilds the internal mechanics and restores the valve to its original sealing capacity.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
