This is a replacement vacuum switch strut fitting designed for select Comfortbilt and Alpine pellet stove models. This component connects the vacuum switch hose to the stove body, allowing proper pressure sensing for safe operation.
This product is offered in model-specific variants, as the fitting style differs between stove designs.
Variants & Fitment
Variant 1 – Elbow Style Strut
- Fits Models: HP21, HP22, HP22i, HP22N, HP41, HP42, HP50, HP61
- Style: 90° elbow fitting
- Function: Redirects vacuum hose connection outward from stove body
Variant 2 – Straight Strut (HP40)
- Fits Model: HP40
- Style: Straight threaded fitting (no elbow)
- Function: Threads directly into rear of firebox for inline hose connection
Key Details
- Type: Vacuum switch strut / hose fitting
- Function: Connects vacuum hose to stove body for pressure sensing
- Connection: Threaded pass-through with hose barb outlet
- Location: Firebox / rear pressure port
- Condition: New replacement part
What’s Included
- (1) Vacuum Switch Strut (per selected variant)
Compatibility Notes
- Each variant is model-specific — ensure correct selection before ordering
- HP40 uses straight strut only — not compatible with elbow style
- All other listed models use elbow-style fitting
- Threaded section passes through stove body and is secured with a nut (not included)
- Verify hose routing and configuration before ordering