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Every centimeter between a hot chimney pipe and a wood wall matters in a sauna build. The WL300PC solves two problems at once: it wraps the exposed flue section of your Cilindro stove in a stainless steel stone cage, and in doing so it dramatically reduces the required clearance distance between the chimney and any combustible surface around it. Most of that heat that would otherwise radiate directly outward gets absorbed by 88 pounds of sauna stones instead — stones that then give it back to the room as the slow, even warmth you want from a wood-fired session. The cage is sized and styled to match the Cilindro pillar exactly, continuing the stainless steel aesthetic from stove to ceiling rather than interrupting it with a bare pipe. It also expands your stone surface: ladle water up high toward the chimney cage and you get steam from a different level than the main stone bed, which changes the character of the löyly entirely. Designed for the Cilindro 16 and Cilindro 20 and compatible with Harvia steel chimneys. Stones sold separately in Ø10–15 cm.

Reduces chimney clearance distance considerably. Filling the cage with 88 lbs of sauna stones absorbs the majority of the chimney's heat radiation outward — significantly reducing the required safety distance between the flue and combustible wall and ceiling surfaces. Confirm exact reduced clearance from the IOM manual for your installation.

88 pounds of additional stone mass. The cage holds 40 kg of Ø10–15 cm sauna stones above the main heater body, adding thermal mass higher in the room and extending the heat and steam your Cilindro can produce per session.

Steam from a second level. Ladling water onto the chimney cage stones produces steam at a different height than the main stone bed — varying the type and intensity of löyly during the session without any additional hardware.

Stainless steel, Cilindro-matched design. Built from the same high-grade chrome steel as the Cilindro heater body, the WL300PC continues the pillar aesthetic from stove to ceiling rather than leaving a bare, mismatched pipe run.

Compatible with Harvia steel chimneys. Works with the Cilindro 16 (WKPC16S) and Cilindro 20 (WKPC20S) wood-burning stoves and is also compatible with Harvia's steel chimney system for builds where the chimney runs through the sauna interior.

Stones not included — sold separately. The cage requires Ø10–15 cm sauna stones (88 lbs / 40 kg). Use Harvia Olivine Diabase stones in the matching size, available separately.

  • MPN: WL300PC
  • Compatibility: Compatible with Harvia Cilindro wood-burning sauna stoves and Harvia steel chimneys
  • Part Type: Chimney Cover / Smoke Tube Guard
  • What’s Included: Chimney cover, pipe protection components, installation instructions
  • Model: Harvia Cilindro Chimney Cover
  • Dimensions (W × D × H): 11.4" × 11.4" × 20.0"
  • Weight: 4.4 lbs
  • Shipping (W × D × H): 13.9" × 13.6" × 23.4"
  • Shipping Weight: 6.6 lbs
  • Installation: Mounts around the chimney/flue pipe of compatible wood-burning stoves
  • Material: Stainless Steel
  • Finish: Stainless Steel
  • Safety Features: Reduces chimney protection distances by absorbing heat radiation through surrounding sauna stones
  • Applications: Chimney heat shield and decorative stone guard for wood-burning sauna stove installations
  • Misc: Must be filled with sauna stones for proper operation; increases available area for the flue while enhancing safety and appearance
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Cilindro Heater Chimney Cover | Harvia

SKU: HAR-WL300PC
Regular price $148.00
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Every centimeter between a hot chimney pipe and a wood wall matters in a sauna build. The WL300PC solves two problems at once: it wraps the exposed flue section of your Cilindro stove in a stainless steel stone cage, and in doing so it dramatically reduces the required clearance distance between the chimney and any combustible surface around it. Most of that heat that would otherwise radiate directly outward gets absorbed by 88 pounds of sauna stones instead — stones that then give it back to the room as the slow, even warmth you want from a wood-fired session. The cage is sized and styled to match the Cilindro pillar exactly, continuing the stainless steel aesthetic from stove to ceiling rather than interrupting it with a bare pipe. It also expands your stone surface: ladle water up high toward the chimney cage and you get steam from a different level than the main stone bed, which changes the character of the löyly entirely. Designed for the Cilindro 16 and Cilindro 20 and compatible with Harvia steel chimneys. Stones sold separately in Ø10–15 cm.

Reduces chimney clearance distance considerably. Filling the cage with 88 lbs of sauna stones absorbs the majority of the chimney's heat radiation outward — significantly reducing the required safety distance between the flue and combustible wall and ceiling surfaces. Confirm exact reduced clearance from the IOM manual for your installation.

88 pounds of additional stone mass. The cage holds 40 kg of Ø10–15 cm sauna stones above the main heater body, adding thermal mass higher in the room and extending the heat and steam your Cilindro can produce per session.

Steam from a second level. Ladling water onto the chimney cage stones produces steam at a different height than the main stone bed — varying the type and intensity of löyly during the session without any additional hardware.

Stainless steel, Cilindro-matched design. Built from the same high-grade chrome steel as the Cilindro heater body, the WL300PC continues the pillar aesthetic from stove to ceiling rather than leaving a bare, mismatched pipe run.

Compatible with Harvia steel chimneys. Works with the Cilindro 16 (WKPC16S) and Cilindro 20 (WKPC20S) wood-burning stoves and is also compatible with Harvia's steel chimney system for builds where the chimney runs through the sauna interior.

Stones not included — sold separately. The cage requires Ø10–15 cm sauna stones (88 lbs / 40 kg). Use Harvia Olivine Diabase stones in the matching size, available separately.

  • MPN: WL300PC
  • Compatibility: Compatible with Harvia Cilindro wood-burning sauna stoves and Harvia steel chimneys
  • Part Type: Chimney Cover / Smoke Tube Guard
  • What’s Included: Chimney cover, pipe protection components, installation instructions
  • Model: Harvia Cilindro Chimney Cover
  • Dimensions (W × D × H): 11.4" × 11.4" × 20.0"
  • Weight: 4.4 lbs
  • Shipping (W × D × H): 13.9" × 13.6" × 23.4"
  • Shipping Weight: 6.6 lbs
  • Installation: Mounts around the chimney/flue pipe of compatible wood-burning stoves
  • Material: Stainless Steel
  • Finish: Stainless Steel
  • Safety Features: Reduces chimney protection distances by absorbing heat radiation through surrounding sauna stones
  • Applications: Chimney heat shield and decorative stone guard for wood-burning sauna stove installations
  • Misc: Must be filled with sauna stones for proper operation; increases available area for the flue while enhancing safety and appearance