Mestek Kickspace Heater User Manual

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mestek Kickspace Heater: Compact Hydronic Heating for Kitchens and Tight Spaces

The Mestek Kickspace Heater is a space-saving hydronic heater designed to fit neatly under cabinets, vanities, and other low-clearance areas where traditional radiators or baseboards will not work. It uses hot water from a forced hot water heating system and a crossflow blower to deliver efficient, targeted warmth right where people feel the chill most. This makes it a practical choice for kitchens, bathrooms, laundry rooms, mudrooms, and remodel projects where floor space is limited.

One of the biggest advantages of the Mestek Kickspace Heater is its discreet installation. The unit stays out of sight while providing dependable supplemental heat, making it ideal for homeowners who want comfort without sacrificing design. It is also valued for its quick response time, quiet operation, and compatibility with common residential hydronic systems. The blower is designed to operate only when hot water is circulating, which improves efficiency and helps prevent unnecessary fan operation.

Typical buyers include homeowners, contractors, and remodelers looking for a kickspace heater for kitchens or a compact under-cabinet heating solution. Availability is generally through HVAC distributors, plumbing supply retailers, and online industrial supply stores. Depending on model and seller, the estimated price range usually falls around $200 to $500, with higher-capacity or specialty versions costing more. For anyone comparing compact hydronic heaters, the Mestek Kickspace Heater remains a strong option for efficient supplemental heating in small spaces.

Technical Specifications for Mestek Kickspace Heater Models

The Mestek Kickspace Heater line is built around a copper-tube, aluminum-finned heating element paired with a 115-120V electric blower motor. It is intended for forced hot water residential heating systems and typically uses a reverse-acting aquastat to delay fan operation until the water is hot enough for useful heat output.

Heating type: Hydronic kickspace heater for forced hot water systems
Heating element: Copper tube with aluminum fins
Motor voltage: 115-120V AC, 60 Hz
Blower design: Crossflow fan for compact, even airflow
Water connections: 1/2-inch nominal copper pipe connections
Control feature: Reverse-acting aquastat, commonly set around 120°F to prevent cold-air blow
Airflow on smaller models: About 53 CFM high speed
Airflow on larger models: Up to about 103 CFM or more depending on model
Motor power: Approximately 30.7 watts on standard compact models
Speed: Around 3,200 RPM on common versions

Compared with electric toe-kick heaters, the Mestek hydronic design typically delivers lower operating cost when connected to an efficient boiler. Compared with larger wall-mounted fan coils, it is much more compact and easier to conceal under cabinetry.

Troubleshooting Mestek Kickspace Heater Problems

Most issues with a Mestek Kickspace Heater are related to water flow, thermostat settings, or blower operation rather than complex electronics. If the unit does not produce heat, first confirm that the boiler is running and that hot water is reaching the heater. If the fan runs but the air feels cool, the aquastat may be waiting for the water temperature to rise, or there may be trapped air in the hydronic line.

No heat: Check boiler temperature, zone valve operation, and water circulation.
Fan does not start: Verify power supply, thermostat setting, and aquastat function.
Weak airflow: Clean dust from the grille and inspect the blower wheel for obstructions.
Rattling noise: Tighten mounting hardware and check for cabinet contact.
Short cycling: Inspect aquastat placement and confirm proper water temperature.
Error codes: Most models do not use digital error codes; faults are usually diagnosed by symptoms and control checks.

Preventive maintenance includes vacuuming the grille, keeping supply and return openings clear, and bleeding air from the hydronic loop when needed. Warranty coverage and support vary by seller and model, so owners should keep their purchase documentation and serial information ready. For help, contact the original retailer, the installing HVAC contractor, or Mestek customer support through the company’s official service channels.

Pros and Cons of the Mestek Kickspace Heater

Pros

Space-saving design fits under cabinets and in other tight areas
Works well as supplemental heat in kitchens, bathrooms, and remodels
Hydronic operation can be efficient in homes already using hot water heat
Quiet enough for everyday residential use when properly installed
Good value for homeowners who want hidden, localized heating

Cons

Requires an existing hot water heating system, so it is not a standalone solution
Output depends on boiler temperature and water flow
Installation is more involved than plugging in a portable heater
Not ideal for heating large rooms on its own
Performance can vary if cabinet space is too restricted or poorly ventilated

For value for money, the Mestek Kickspace Heater is strongest when used as a hidden supplemental heater in a compatible hydronic system. Compared with portable electric heaters, it is more permanent and integrated. Compared with larger fan coils, it is far better for compact spaces but less powerful for open-plan areas.

Customer Reviews of Mestek Kickspace Heater Models

Customer feedback on the Mestek Kickspace Heater is generally positive, especially from homeowners remodeling kitchens and bathrooms. Many users praise the discreet installation, fast warm-up once hot water reaches the unit, and the fact that it keeps floor space open. A common rating pattern is around 4 out of 5 stars for comfort and convenience.

Typical praise includes comments such as, “It disappears under the cabinet and makes the kitchen much warmer in winter.” Common complaints usually involve the need for a proper hydronic setup, occasional fan noise in tight enclosures, or lower-than-expected output when boiler temperature is too low. Buyers who already have hot water heat tend to recommend it most strongly, while those looking for a plug-in heater often find it too specialized.

For best results, the Mestek Kickspace Heater is recommended for homeowners who want a reliable under-cabinet heating solution and are comfortable working with a professional installer.

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Faqs

How do I set up a mestek Kickspace Heater for the first time under a kitchen or vanity cabinet?

Start by measuring the kickspace opening carefully to confirm the heater fits the available depth, width, and height. Make sure the area has enough clearance for airflow and that the floor is level. Follow the mounting instructions closely, secure the unit firmly, and connect it only to the recommended power source or control setup. Before regular use, test the thermostat, fan, and heat output to confirm proper installation.

What should I check if my mestek Kickspace Heater is running but not producing enough heat?

First, confirm the thermostat is set high enough and that the fan is not blocked by dust, debris, or nearby objects. Low heat can also happen if the unit is undersized for the room or if the airflow opening is partially restricted by cabinetry. Check for clogged vents and make sure the heater is receiving the correct voltage. If the issue continues, inspect the control settings and verify the unit is installed in the right location.

Why does my mestek Kickspace Heater turn on and off frequently, and how can I fix it?

Frequent cycling often points to a thermostat issue, restricted airflow, or a room that heats up too quickly around the unit. Check whether the intake and outlet vents are clear and whether the thermostat is placed away from direct drafts. If the heater is oversized for the space, short cycling may be normal. Repositioning controls, improving airflow, or adjusting the temperature setting can often reduce this problem.

Can a mestek Kickspace Heater be installed in a bathroom or damp area safely?

A mestek Kickspace Heater can only be used in a bathroom or damp location if the specific model is rated for that environment and installed according to local electrical and safety codes. Moisture exposure, splashing water, and poor ventilation can create hazards if the heater is not designed for those conditions. Always verify the product specifications, keep the unit away from direct water contact, and use a qualified installer when the placement is near plumbing.

What features should I look for in a mestek Kickspace Heater to improve comfort and energy efficiency?

Look for adjustable thermostat control, quiet fan operation, even heat distribution, and a design that matches the size of the space. Energy-efficient performance depends on proper sizing, good airflow, and a model with reliable temperature regulation. Some users also prefer units with built-in safety shutoff or multiple heat settings. Choosing the right features helps the mestek Kickspace Heater warm the room faster without wasting electricity.

How do I clean and maintain a mestek Kickspace Heater to keep it working efficiently?

Turn off power before cleaning and let the unit cool completely. Remove dust from the grille, intake, and outlet vents using a soft brush or vacuum attachment. Check for buildup around the fan area, since debris can reduce airflow and cause noise. Inspect the heater periodically for loose screws, worn controls, or damage to the housing. Regular maintenance helps the mestek Kickspace Heater run quietly, heat more evenly, and last longer.

What size space can a mestek Kickspace Heater usually handle effectively?

The right room size depends on the heater’s output, insulation, ceiling height, and climate. A mestek Kickspace Heater works best in small to medium spaces where supplemental heating is needed, such as kitchens, bathrooms, or hallways. If the area is poorly insulated or open to other rooms, performance may drop. To get the best results, match the heater’s capacity to the space and avoid using it as the only heat source in large rooms.

Why is my mestek Kickspace Heater making unusual noise, and what can I do about it?

Noise can come from loose mounting hardware, dust in the fan, vibration against cabinetry, or a worn motor component. Start by switching off the unit and checking that it is mounted tightly and sitting level. Clean the vents and fan area to remove debris that may cause rattling or humming. If the sound is a grinding, scraping, or electrical noise, stop using the heater and arrange for inspection or repair before continuing.

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